Home / 56,330.48-77,737.28-31,179.96

Finding the Fourth Proportional to 56,330.48, 77,737.28 and 31,179.96

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Solution

The fourth proportional to 56,330.48, 77,737.28 and 31,179.96 is: 43,029.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,330.48 : 77,737.28 = 31,179.96 : x
  2. Step 2: Convert to fraction form
    56,330.48/77,737.28 = 31,179.96/x
  3. Step 3: Cross multiply
    56,330.48x = 77,737.28 × 31,179.96
  4. Step 4: Simplify right side
    56,330.48x = 2,423,845,280.91
  5. Step 5: Solve for x
    x = 2,423,845,280.91/56,330.48
  6. Step 6: Final answer
    x = 43,029.02

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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.