Home / 75,565.30-113,391.15-28,851.70

Finding the Fourth Proportional to 75,565.30, 113,391.15 and 28,851.70

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Solution

The fourth proportional to 75,565.30, 113,391.15 and 28,851.70 is: 43,294.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,565.30 : 113,391.15 = 28,851.70 : x
  2. Step 2: Convert to fraction form
    75,565.30/113,391.15 = 28,851.70/x
  3. Step 3: Cross multiply
    75,565.30x = 113,391.15 × 28,851.70
  4. Step 4: Simplify right side
    75,565.30x = 3,271,527,442.46
  5. Step 5: Solve for x
    x = 3,271,527,442.46/75,565.30
  6. Step 6: Final answer
    x = 43,294.04

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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.