Home / 87,477.60-131,237.23-28,313.28

Finding the Fourth Proportional to 87,477.60, 131,237.23 and 28,313.28

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Solution

The fourth proportional to 87,477.60, 131,237.23 and 28,313.28 is: 42,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,477.60 : 131,237.23 = 28,313.28 : x
  2. Step 2: Convert to fraction form
    87,477.60/131,237.23 = 28,313.28/x
  3. Step 3: Cross multiply
    87,477.60x = 131,237.23 × 28,313.28
  4. Step 4: Simplify right side
    87,477.60x = 3,715,756,439.41
  5. Step 5: Solve for x
    x = 3,715,756,439.41/87,477.60
  6. Step 6: Final answer
    x = 42,476.66

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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.