Home / 63,340.60-87,396.40-38,189.56

Finding the Fourth Proportional to 63,340.60, 87,396.40 and 38,189.56

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Solution

The fourth proportional to 63,340.60, 87,396.40 and 38,189.56 is: 52,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,340.60 : 87,396.40 = 38,189.56 : x
  2. Step 2: Convert to fraction form
    63,340.60/87,396.40 = 38,189.56/x
  3. Step 3: Cross multiply
    63,340.60x = 87,396.40 × 38,189.56
  4. Step 4: Simplify right side
    63,340.60x = 3,337,630,061.58
  5. Step 5: Solve for x
    x = 3,337,630,061.58/63,340.60
  6. Step 6: Final answer
    x = 52,693.38

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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.