Home / 56,946.62-78,591.20-31,800.98

Finding the Fourth Proportional to 56,946.62, 78,591.20 and 31,800.98

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Solution

The fourth proportional to 56,946.62, 78,591.20 and 31,800.98 is: 43,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,946.62 : 78,591.20 = 31,800.98 : x
  2. Step 2: Convert to fraction form
    56,946.62/78,591.20 = 31,800.98/x
  3. Step 3: Cross multiply
    56,946.62x = 78,591.20 × 31,800.98
  4. Step 4: Simplify right side
    56,946.62x = 2,499,277,179.38
  5. Step 5: Solve for x
    x = 2,499,277,179.38/56,946.62
  6. Step 6: Final answer
    x = 43,888.07

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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.