Home / 82,844.60-124,266.90-71,569.40

Finding the Fourth Proportional to 82,844.60, 124,266.90 and 71,569.40

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Solution

The fourth proportional to 82,844.60, 124,266.90 and 71,569.40 is: 107,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,844.60 : 124,266.90 = 71,569.40 : x
  2. Step 2: Convert to fraction form
    82,844.60/124,266.90 = 71,569.40/x
  3. Step 3: Cross multiply
    82,844.60x = 124,266.90 × 71,569.40
  4. Step 4: Simplify right side
    82,844.60x = 8,893,707,472.86
  5. Step 5: Solve for x
    x = 8,893,707,472.86/82,844.60
  6. Step 6: Final answer
    x = 107,354.10

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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.