Home / 87,525.72-120,531.36-76,035.42

Finding the Fourth Proportional to 87,525.72, 120,531.36 and 76,035.42

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Solution

The fourth proportional to 87,525.72, 120,531.36 and 76,035.42 is: 104,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,525.72 : 120,531.36 = 76,035.42 : x
  2. Step 2: Convert to fraction form
    87,525.72/120,531.36 = 76,035.42/x
  3. Step 3: Cross multiply
    87,525.72x = 120,531.36 × 76,035.42
  4. Step 4: Simplify right side
    87,525.72x = 9,164,652,580.77
  5. Step 5: Solve for x
    x = 9,164,652,580.77/87,525.72
  6. Step 6: Final answer
    x = 104,708.11

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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.