Home / 82,781.04-124,176.42-25,847.22

Finding the Fourth Proportional to 82,781.04, 124,176.42 and 25,847.22

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Solution

The fourth proportional to 82,781.04, 124,176.42 and 25,847.22 is: 38,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,781.04 : 124,176.42 = 25,847.22 : x
  2. Step 2: Convert to fraction form
    82,781.04/124,176.42 = 25,847.22/x
  3. Step 3: Cross multiply
    82,781.04x = 124,176.42 × 25,847.22
  4. Step 4: Simplify right side
    82,781.04x = 3,209,615,246.55
  5. Step 5: Solve for x
    x = 3,209,615,246.55/82,781.04
  6. Step 6: Final answer
    x = 38,772.35

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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.