Home / 57,818.08-79,693.48-38,691.04

Finding the Fourth Proportional to 57,818.08, 79,693.48 and 38,691.04

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Solution

The fourth proportional to 57,818.08, 79,693.48 and 38,691.04 is: 53,329.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,818.08 : 79,693.48 = 38,691.04 : x
  2. Step 2: Convert to fraction form
    57,818.08/79,693.48 = 38,691.04/x
  3. Step 3: Cross multiply
    57,818.08x = 79,693.48 × 38,691.04
  4. Step 4: Simplify right side
    57,818.08x = 3,083,423,622.42
  5. Step 5: Solve for x
    x = 3,083,423,622.42/57,818.08
  6. Step 6: Final answer
    x = 53,329.75

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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.