Home / 87,525.57-120,531.14-76,035.25

Finding the Fourth Proportional to 87,525.57, 120,531.14 and 76,035.25

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Solution

The fourth proportional to 87,525.57, 120,531.14 and 76,035.25 is: 104,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,525.57 : 120,531.14 = 76,035.25 : x
  2. Step 2: Convert to fraction form
    87,525.57/120,531.14 = 76,035.25/x
  3. Step 3: Cross multiply
    87,525.57x = 120,531.14 × 76,035.25
  4. Step 4: Simplify right side
    87,525.57x = 9,164,615,362.69
  5. Step 5: Solve for x
    x = 9,164,615,362.69/87,525.57
  6. Step 6: Final answer
    x = 104,707.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.