Home / 87,759-121,126.90-60,573.24

Finding the Fourth Proportional to 87,759, 121,126.90 and 60,573.24

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Solution

The fourth proportional to 87,759, 121,126.90 and 60,573.24 is: 83,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,759 : 121,126.90 = 60,573.24 : x
  2. Step 2: Convert to fraction form
    87,759/121,126.90 = 60,573.24/x
  3. Step 3: Cross multiply
    87,759x = 121,126.90 × 60,573.24
  4. Step 4: Simplify right side
    87,759x = 7,337,048,784.16
  5. Step 5: Solve for x
    x = 7,337,048,784.16/87,759
  6. Step 6: Final answer
    x = 83,604.52

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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.