Home / 55,920.19-77,140.44-33,243.05

Finding the Fourth Proportional to 55,920.19, 77,140.44 and 33,243.05

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Solution

The fourth proportional to 55,920.19, 77,140.44 and 33,243.05 is: 45,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,920.19 : 77,140.44 = 33,243.05 : x
  2. Step 2: Convert to fraction form
    55,920.19/77,140.44 = 33,243.05/x
  3. Step 3: Cross multiply
    55,920.19x = 77,140.44 × 33,243.05
  4. Step 4: Simplify right side
    55,920.19x = 2,564,383,503.94
  5. Step 5: Solve for x
    x = 2,564,383,503.94/55,920.19
  6. Step 6: Final answer
    x = 45,857.92

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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.