Home / 79,037.08-118,542.54-36,921.52

Finding the Fourth Proportional to 79,037.08, 118,542.54 and 36,921.52

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Solution

The fourth proportional to 79,037.08, 118,542.54 and 36,921.52 is: 55,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,037.08 : 118,542.54 = 36,921.52 : x
  2. Step 2: Convert to fraction form
    79,037.08/118,542.54 = 36,921.52/x
  3. Step 3: Cross multiply
    79,037.08x = 118,542.54 × 36,921.52
  4. Step 4: Simplify right side
    79,037.08x = 4,376,770,761.46
  5. Step 5: Solve for x
    x = 4,376,770,761.46/79,037.08
  6. Step 6: Final answer
    x = 55,376.17

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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.