Home / 87,772.84-121,141.01-53,800.22

Finding the Fourth Proportional to 87,772.84, 121,141.01 and 53,800.22

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Solution

The fourth proportional to 87,772.84, 121,141.01 and 53,800.22 is: 74,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,772.84 : 121,141.01 = 53,800.22 : x
  2. Step 2: Convert to fraction form
    87,772.84/121,141.01 = 53,800.22/x
  3. Step 3: Cross multiply
    87,772.84x = 121,141.01 × 53,800.22
  4. Step 4: Simplify right side
    87,772.84x = 6,517,413,022.87
  5. Step 5: Solve for x
    x = 6,517,413,022.87/87,772.84
  6. Step 6: Final answer
    x = 74,253.19

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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.