Home / 87,496.56-120,737.88-51,688.08

Finding the Fourth Proportional to 87,496.56, 120,737.88 and 51,688.08

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Solution

The fourth proportional to 87,496.56, 120,737.88 and 51,688.08 is: 71,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,496.56 : 120,737.88 = 51,688.08 : x
  2. Step 2: Convert to fraction form
    87,496.56/120,737.88 = 51,688.08/x
  3. Step 3: Cross multiply
    87,496.56x = 120,737.88 × 51,688.08
  4. Step 4: Simplify right side
    87,496.56x = 6,240,709,200.47
  5. Step 5: Solve for x
    x = 6,240,709,200.47/87,496.56
  6. Step 6: Final answer
    x = 71,325.19

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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.