Home / 87,092-130,631.65-39,075.47

Finding the Fourth Proportional to 87,092, 130,631.65 and 39,075.47

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Solution

The fourth proportional to 87,092, 130,631.65 and 39,075.47 is: 58,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,092 : 130,631.65 = 39,075.47 : x
  2. Step 2: Convert to fraction form
    87,092/130,631.65 = 39,075.47/x
  3. Step 3: Cross multiply
    87,092x = 130,631.65 × 39,075.47
  4. Step 4: Simplify right side
    87,092x = 5,104,493,120.63
  5. Step 5: Solve for x
    x = 5,104,493,120.63/87,092
  6. Step 6: Final answer
    x = 58,610.36

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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.