Home / 55,876.96-77,099.13-31,348.56

Finding the Fourth Proportional to 55,876.96, 77,099.13 and 31,348.56

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Solution

The fourth proportional to 55,876.96, 77,099.13 and 31,348.56 is: 43,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,876.96 : 77,099.13 = 31,348.56 : x
  2. Step 2: Convert to fraction form
    55,876.96/77,099.13 = 31,348.56/x
  3. Step 3: Cross multiply
    55,876.96x = 77,099.13 × 31,348.56
  4. Step 4: Simplify right side
    55,876.96x = 2,416,946,702.75
  5. Step 5: Solve for x
    x = 2,416,946,702.75/55,876.96
  6. Step 6: Final answer
    x = 43,254.80

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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.