Home / 82,781.04-124,176.28-23,612.16

Finding the Fourth Proportional to 82,781.04, 124,176.28 and 23,612.16

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Solution

The fourth proportional to 82,781.04, 124,176.28 and 23,612.16 is: 35,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,781.04 : 124,176.28 = 23,612.16 : x
  2. Step 2: Convert to fraction form
    82,781.04/124,176.28 = 23,612.16/x
  3. Step 3: Cross multiply
    82,781.04x = 124,176.28 × 23,612.16
  4. Step 4: Simplify right side
    82,781.04x = 2,932,070,191.56
  5. Step 5: Solve for x
    x = 2,932,070,191.56/82,781.04
  6. Step 6: Final answer
    x = 35,419.59

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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.