Home / 87,570.88-131,354.91-59,420.92

Finding the Fourth Proportional to 87,570.88, 131,354.91 and 59,420.92

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Solution

The fourth proportional to 87,570.88, 131,354.91 and 59,420.92 is: 89,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,570.88 : 131,354.91 = 59,420.92 : x
  2. Step 2: Convert to fraction form
    87,570.88/131,354.91 = 59,420.92/x
  3. Step 3: Cross multiply
    87,570.88x = 131,354.91 × 59,420.92
  4. Step 4: Simplify right side
    87,570.88x = 7,805,229,598.72
  5. Step 5: Solve for x
    x = 7,805,229,598.72/87,570.88
  6. Step 6: Final answer
    x = 89,130.42

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1.5x scale

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.