Home / 86,241.93-129,319.07-39,454.71

Finding the Fourth Proportional to 86,241.93, 129,319.07 and 39,454.71

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Solution

The fourth proportional to 86,241.93, 129,319.07 and 39,454.71 is: 59,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,241.93 : 129,319.07 = 39,454.71 : x
  2. Step 2: Convert to fraction form
    86,241.93/129,319.07 = 39,454.71/x
  3. Step 3: Cross multiply
    86,241.93x = 129,319.07 × 39,454.71
  4. Step 4: Simplify right side
    86,241.93x = 5,102,246,207.05
  5. Step 5: Solve for x
    x = 5,102,246,207.05/86,241.93
  6. Step 6: Final answer
    x = 59,162.01

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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.