Home / 78,938.13-108,934.56-44,944.86

Finding the Fourth Proportional to 78,938.13, 108,934.56 and 44,944.86

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Solution

The fourth proportional to 78,938.13, 108,934.56 and 44,944.86 is: 62,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,938.13 : 108,934.56 = 44,944.86 : x
  2. Step 2: Convert to fraction form
    78,938.13/108,934.56 = 44,944.86/x
  3. Step 3: Cross multiply
    78,938.13x = 108,934.56 × 44,944.86
  4. Step 4: Simplify right side
    78,938.13x = 4,896,048,548.36
  5. Step 5: Solve for x
    x = 4,896,048,548.36/78,938.13
  6. Step 6: Final answer
    x = 62,023.87

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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.