Home / 78,037.56-107,691.36-44,057.07

Finding the Fourth Proportional to 78,037.56, 107,691.36 and 44,057.07

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Solution

The fourth proportional to 78,037.56, 107,691.36 and 44,057.07 is: 60,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,037.56 : 107,691.36 = 44,057.07 : x
  2. Step 2: Convert to fraction form
    78,037.56/107,691.36 = 44,057.07/x
  3. Step 3: Cross multiply
    78,037.56x = 107,691.36 × 44,057.07
  4. Step 4: Simplify right side
    78,037.56x = 4,744,565,785.92
  5. Step 5: Solve for x
    x = 4,744,565,785.92/78,037.56
  6. Step 6: Final answer
    x = 60,798.49

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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.