Home / 113,299.29-156,349.44-62,311.68

Finding the Fourth Proportional to 113,299.29, 156,349.44 and 62,311.68

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Solution

The fourth proportional to 113,299.29, 156,349.44 and 62,311.68 is: 85,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,299.29 : 156,349.44 = 62,311.68 : x
  2. Step 2: Convert to fraction form
    113,299.29/156,349.44 = 62,311.68/x
  3. Step 3: Cross multiply
    113,299.29x = 156,349.44 × 62,311.68
  4. Step 4: Simplify right side
    113,299.29x = 9,742,396,273.46
  5. Step 5: Solve for x
    x = 9,742,396,273.46/113,299.29
  6. Step 6: Final answer
    x = 85,988.15

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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.