Home / 88,411.72-121,966.98-52,581.64

Finding the Fourth Proportional to 88,411.72, 121,966.98 and 52,581.64

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Solution

The fourth proportional to 88,411.72, 121,966.98 and 52,581.64 is: 72,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,411.72 : 121,966.98 = 52,581.64 : x
  2. Step 2: Convert to fraction form
    88,411.72/121,966.98 = 52,581.64/x
  3. Step 3: Cross multiply
    88,411.72x = 121,966.98 × 52,581.64
  4. Step 4: Simplify right side
    88,411.72x = 6,413,223,834.25
  5. Step 5: Solve for x
    x = 6,413,223,834.25/88,411.72
  6. Step 6: Final answer
    x = 72,538.16

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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.