Home / 95,503.68-131,807.16-57,778.20

Finding the Fourth Proportional to 95,503.68, 131,807.16 and 57,778.20

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Solution

The fourth proportional to 95,503.68, 131,807.16 and 57,778.20 is: 79,741.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,503.68 : 131,807.16 = 57,778.20 : x
  2. Step 2: Convert to fraction form
    95,503.68/131,807.16 = 57,778.20/x
  3. Step 3: Cross multiply
    95,503.68x = 131,807.16 × 57,778.20
  4. Step 4: Simplify right side
    95,503.68x = 7,615,580,451.91
  5. Step 5: Solve for x
    x = 7,615,580,451.91/95,503.68
  6. Step 6: Final answer
    x = 79,741.23

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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.