Home / 83,211.39-114,818.44-47,402.10

Finding the Fourth Proportional to 83,211.39, 114,818.44 and 47,402.10

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Solution

The fourth proportional to 83,211.39, 114,818.44 and 47,402.10 is: 65,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,211.39 : 114,818.44 = 47,402.10 : x
  2. Step 2: Convert to fraction form
    83,211.39/114,818.44 = 47,402.10/x
  3. Step 3: Cross multiply
    83,211.39x = 114,818.44 × 47,402.10
  4. Step 4: Simplify right side
    83,211.39x = 5,442,635,174.72
  5. Step 5: Solve for x
    x = 5,442,635,174.72/83,211.39
  6. Step 6: Final answer
    x = 65,407.33

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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.