Home / 63,621.60-87,782.04-38,132.04

Finding the Fourth Proportional to 63,621.60, 87,782.04 and 38,132.04

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Solution

The fourth proportional to 63,621.60, 87,782.04 and 38,132.04 is: 52,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,621.60 : 87,782.04 = 38,132.04 : x
  2. Step 2: Convert to fraction form
    63,621.60/87,782.04 = 38,132.04/x
  3. Step 3: Cross multiply
    63,621.60x = 87,782.04 × 38,132.04
  4. Step 4: Simplify right side
    63,621.60x = 3,347,308,260.56
  5. Step 5: Solve for x
    x = 3,347,308,260.56/63,621.60
  6. Step 6: Final answer
    x = 52,612.76

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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.