Home / 55,919.36-77,143.29-33,245.49

Finding the Fourth Proportional to 55,919.36, 77,143.29 and 33,245.49

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Solution

The fourth proportional to 55,919.36, 77,143.29 and 33,245.49 is: 45,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,919.36 : 77,143.29 = 33,245.49 : x
  2. Step 2: Convert to fraction form
    55,919.36/77,143.29 = 33,245.49/x
  3. Step 3: Cross multiply
    55,919.36x = 77,143.29 × 33,245.49
  4. Step 4: Simplify right side
    55,919.36x = 2,564,666,117.18
  5. Step 5: Solve for x
    x = 2,564,666,117.18/55,919.36
  6. Step 6: Final answer
    x = 45,863.65

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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.