Home / 52,191.66-78,189.06-40,447.47

Finding the Fourth Proportional to 52,191.66, 78,189.06 and 40,447.47

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Solution

The fourth proportional to 52,191.66, 78,189.06 and 40,447.47 is: 60,594.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,191.66 : 78,189.06 = 40,447.47 : x
  2. Step 2: Convert to fraction form
    52,191.66/78,189.06 = 40,447.47/x
  3. Step 3: Cross multiply
    52,191.66x = 78,189.06 × 40,447.47
  4. Step 4: Simplify right side
    52,191.66x = 3,162,549,658.68
  5. Step 5: Solve for x
    x = 3,162,549,658.68/52,191.66
  6. Step 6: Final answer
    x = 60,594.92

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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.