Home / 87,597.75-120,884.91-47,853.75

Finding the Fourth Proportional to 87,597.75, 120,884.91 and 47,853.75

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Solution

The fourth proportional to 87,597.75, 120,884.91 and 47,853.75 is: 66,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,597.75 : 120,884.91 = 47,853.75 : x
  2. Step 2: Convert to fraction form
    87,597.75/120,884.91 = 47,853.75/x
  3. Step 3: Cross multiply
    87,597.75x = 120,884.91 × 47,853.75
  4. Step 4: Simplify right side
    87,597.75x = 5,784,796,261.91
  5. Step 5: Solve for x
    x = 5,784,796,261.91/87,597.75
  6. Step 6: Final answer
    x = 66,038.18

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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.