Home / 56,671.76-78,204.57-31,176.52

Finding the Fourth Proportional to 56,671.76, 78,204.57 and 31,176.52

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Solution

The fourth proportional to 56,671.76, 78,204.57 and 31,176.52 is: 43,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,671.76 : 78,204.57 = 31,176.52 : x
  2. Step 2: Convert to fraction form
    56,671.76/78,204.57 = 31,176.52/x
  3. Step 3: Cross multiply
    56,671.76x = 78,204.57 × 31,176.52
  4. Step 4: Simplify right side
    56,671.76x = 2,438,146,340.70
  5. Step 5: Solve for x
    x = 2,438,146,340.70/56,671.76
  6. Step 6: Final answer
    x = 43,022.24

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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.