Home / 77,782.15-116,691.72-25,191.55

Finding the Fourth Proportional to 77,782.15, 116,691.72 and 25,191.55

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Solution

The fourth proportional to 77,782.15, 116,691.72 and 25,191.55 is: 37,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,782.15 : 116,691.72 = 25,191.55 : x
  2. Step 2: Convert to fraction form
    77,782.15/116,691.72 = 25,191.55/x
  3. Step 3: Cross multiply
    77,782.15x = 116,691.72 × 25,191.55
  4. Step 4: Simplify right side
    77,782.15x = 2,939,645,298.97
  5. Step 5: Solve for x
    x = 2,939,645,298.97/77,782.15
  6. Step 6: Final answer
    x = 37,793.32

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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.