Home / 68,612.16-102,869.64-26,456.52

Finding the Fourth Proportional to 68,612.16, 102,869.64 and 26,456.52

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Solution

The fourth proportional to 68,612.16, 102,869.64 and 26,456.52 is: 39,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,612.16 : 102,869.64 = 26,456.52 : x
  2. Step 2: Convert to fraction form
    68,612.16/102,869.64 = 26,456.52/x
  3. Step 3: Cross multiply
    68,612.16x = 102,869.64 × 26,456.52
  4. Step 4: Simplify right side
    68,612.16x = 2,721,572,688.05
  5. Step 5: Solve for x
    x = 2,721,572,688.05/68,612.16
  6. Step 6: Final answer
    x = 39,666.04

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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.