Home / 95,400.72-142,828.92-75,708

Finding the Fourth Proportional to 95,400.72, 142,828.92 and 75,708

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Solution

The fourth proportional to 95,400.72, 142,828.92 and 75,708 is: 113,346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,400.72 : 142,828.92 = 75,708 : x
  2. Step 2: Convert to fraction form
    95,400.72/142,828.92 = 75,708/x
  3. Step 3: Cross multiply
    95,400.72x = 142,828.92 × 75,708
  4. Step 4: Simplify right side
    95,400.72x = 10,813,291,875.36
  5. Step 5: Solve for x
    x = 10,813,291,875.36/95,400.72
  6. Step 6: Final answer
    x = 113,346.02

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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.