Home / 87,301.76-130,968.42-57,744.04

Finding the Fourth Proportional to 87,301.76, 130,968.42 and 57,744.04

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Solution

The fourth proportional to 87,301.76, 130,968.42 and 57,744.04 is: 86,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,301.76 : 130,968.42 = 57,744.04 : x
  2. Step 2: Convert to fraction form
    87,301.76/130,968.42 = 57,744.04/x
  3. Step 3: Cross multiply
    87,301.76x = 130,968.42 × 57,744.04
  4. Step 4: Simplify right side
    87,301.76x = 7,562,645,683.22
  5. Step 5: Solve for x
    x = 7,562,645,683.22/87,301.76
  6. Step 6: Final answer
    x = 86,626.50

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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.