Home / 82,265.80-123,411.66-29,688.16

Finding the Fourth Proportional to 82,265.80, 123,411.66 and 29,688.16

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Solution

The fourth proportional to 82,265.80, 123,411.66 and 29,688.16 is: 44,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,265.80 : 123,411.66 = 29,688.16 : x
  2. Step 2: Convert to fraction form
    82,265.80/123,411.66 = 29,688.16/x
  3. Step 3: Cross multiply
    82,265.80x = 123,411.66 × 29,688.16
  4. Step 4: Simplify right side
    82,265.80x = 3,663,865,107.95
  5. Step 5: Solve for x
    x = 3,663,865,107.95/82,265.80
  6. Step 6: Final answer
    x = 44,536.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.