Home / 86,577.02-129,883.17-39,169.34

Finding the Fourth Proportional to 86,577.02, 129,883.17 and 39,169.34

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Solution

The fourth proportional to 86,577.02, 129,883.17 and 39,169.34 is: 58,761.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,577.02 : 129,883.17 = 39,169.34 : x
  2. Step 2: Convert to fraction form
    86,577.02/129,883.17 = 39,169.34/x
  3. Step 3: Cross multiply
    86,577.02x = 129,883.17 × 39,169.34
  4. Step 4: Simplify right side
    86,577.02x = 5,087,438,046.01
  5. Step 5: Solve for x
    x = 5,087,438,046.01/86,577.02
  6. Step 6: Final answer
    x = 58,761.99

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1.5x scale

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.