Home / 68,265.40-102,398.17-36,875.05

Finding the Fourth Proportional to 68,265.40, 102,398.17 and 36,875.05

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Solution

The fourth proportional to 68,265.40, 102,398.17 and 36,875.05 is: 55,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,265.40 : 102,398.17 = 36,875.05 : x
  2. Step 2: Convert to fraction form
    68,265.40/102,398.17 = 36,875.05/x
  3. Step 3: Cross multiply
    68,265.40x = 102,398.17 × 36,875.05
  4. Step 4: Simplify right side
    68,265.40x = 3,775,937,812.75
  5. Step 5: Solve for x
    x = 3,775,937,812.75/68,265.40
  6. Step 6: Final answer
    x = 55,312.62

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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.