Home / 87,455.71-131,187.67-28,296.01

Finding the Fourth Proportional to 87,455.71, 131,187.67 and 28,296.01

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Solution

The fourth proportional to 87,455.71, 131,187.67 and 28,296.01 is: 42,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,455.71 : 131,187.67 = 28,296.01 : x
  2. Step 2: Convert to fraction form
    87,455.71/131,187.67 = 28,296.01/x
  3. Step 3: Cross multiply
    87,455.71x = 131,187.67 × 28,296.01
  4. Step 4: Simplify right side
    87,455.71x = 3,712,087,715.44
  5. Step 5: Solve for x
    x = 3,712,087,715.44/87,455.71
  6. Step 6: Final answer
    x = 42,445.34

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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.