Home / 63,799.20-95,719.20-19,434.40

Finding the Fourth Proportional to 63,799.20, 95,719.20 and 19,434.40

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Solution

The fourth proportional to 63,799.20, 95,719.20 and 19,434.40 is: 29,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,799.20 : 95,719.20 = 19,434.40 : x
  2. Step 2: Convert to fraction form
    63,799.20/95,719.20 = 19,434.40/x
  3. Step 3: Cross multiply
    63,799.20x = 95,719.20 × 19,434.40
  4. Step 4: Simplify right side
    63,799.20x = 1,860,245,220.48
  5. Step 5: Solve for x
    x = 1,860,245,220.48/63,799.20
  6. Step 6: Final answer
    x = 29,157.81

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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.