Home / 87,272.88-120,438.18-48,514.35

Finding the Fourth Proportional to 87,272.88, 120,438.18 and 48,514.35

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Solution

The fourth proportional to 87,272.88, 120,438.18 and 48,514.35 is: 66,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,272.88 : 120,438.18 = 48,514.35 : x
  2. Step 2: Convert to fraction form
    87,272.88/120,438.18 = 48,514.35/x
  3. Step 3: Cross multiply
    87,272.88x = 120,438.18 × 48,514.35
  4. Step 4: Simplify right side
    87,272.88x = 5,842,980,017.88
  5. Step 5: Solve for x
    x = 5,842,980,017.88/87,272.88
  6. Step 6: Final answer
    x = 66,950.70

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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.