Home / 87,627.60-131,527.80-43,304.40

Finding the Fourth Proportional to 87,627.60, 131,527.80 and 43,304.40

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Solution

The fourth proportional to 87,627.60, 131,527.80 and 43,304.40 is: 64,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,627.60 : 131,527.80 = 43,304.40 : x
  2. Step 2: Convert to fraction form
    87,627.60/131,527.80 = 43,304.40/x
  3. Step 3: Cross multiply
    87,627.60x = 131,527.80 × 43,304.40
  4. Step 4: Simplify right side
    87,627.60x = 5,695,732,462.32
  5. Step 5: Solve for x
    x = 5,695,732,462.32/87,627.60
  6. Step 6: Final answer
    x = 64,999.30

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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.