Home / 68,715.10-103,036.20-24,343.30

Finding the Fourth Proportional to 68,715.10, 103,036.20 and 24,343.30

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Solution

The fourth proportional to 68,715.10, 103,036.20 and 24,343.30 is: 36,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,715.10 : 103,036.20 = 24,343.30 : x
  2. Step 2: Convert to fraction form
    68,715.10/103,036.20 = 24,343.30/x
  3. Step 3: Cross multiply
    68,715.10x = 103,036.20 × 24,343.30
  4. Step 4: Simplify right side
    68,715.10x = 2,508,241,127.46
  5. Step 5: Solve for x
    x = 2,508,241,127.46/68,715.10
  6. Step 6: Final answer
    x = 36,502.04

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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.