Home / 86,140.52-129,254.94-35,577.08

Finding the Fourth Proportional to 86,140.52, 129,254.94 and 35,577.08

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Solution

The fourth proportional to 86,140.52, 129,254.94 and 35,577.08 is: 53,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,140.52 : 129,254.94 = 35,577.08 : x
  2. Step 2: Convert to fraction form
    86,140.52/129,254.94 = 35,577.08/x
  3. Step 3: Cross multiply
    86,140.52x = 129,254.94 × 35,577.08
  4. Step 4: Simplify right side
    86,140.52x = 4,598,512,694.50
  5. Step 5: Solve for x
    x = 4,598,512,694.50/86,140.52
  6. Step 6: Final answer
    x = 53,383.85

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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.