Home / 86,207.52-129,316.14-27,041.88

Finding the Fourth Proportional to 86,207.52, 129,316.14 and 27,041.88

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Solution

The fourth proportional to 86,207.52, 129,316.14 and 27,041.88 is: 40,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,207.52 : 129,316.14 = 27,041.88 : x
  2. Step 2: Convert to fraction form
    86,207.52/129,316.14 = 27,041.88/x
  3. Step 3: Cross multiply
    86,207.52x = 129,316.14 × 27,041.88
  4. Step 4: Simplify right side
    86,207.52x = 3,496,951,539.94
  5. Step 5: Solve for x
    x = 3,496,951,539.94/86,207.52
  6. Step 6: Final answer
    x = 40,564.34

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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.