Home / 55,920.61-77,145.01-33,246.74

Finding the Fourth Proportional to 55,920.61, 77,145.01 and 33,246.74

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Solution

The fourth proportional to 55,920.61, 77,145.01 and 33,246.74 is: 45,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,920.61 : 77,145.01 = 33,246.74 : x
  2. Step 2: Convert to fraction form
    55,920.61/77,145.01 = 33,246.74/x
  3. Step 3: Cross multiply
    55,920.61x = 77,145.01 × 33,246.74
  4. Step 4: Simplify right side
    55,920.61x = 2,564,820,089.77
  5. Step 5: Solve for x
    x = 2,564,820,089.77/55,920.61
  6. Step 6: Final answer
    x = 45,865.38

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Double scale
Find fourth proportional to 55,921.61, 77,146.39 and 33,247.74
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.