Home / 89,927.98-124,024.39-54,111.30

Finding the Fourth Proportional to 89,927.98, 124,024.39 and 54,111.30

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Solution

The fourth proportional to 89,927.98, 124,024.39 and 54,111.30 is: 74,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,927.98 : 124,024.39 = 54,111.30 : x
  2. Step 2: Convert to fraction form
    89,927.98/124,024.39 = 54,111.30/x
  3. Step 3: Cross multiply
    89,927.98x = 124,024.39 × 54,111.30
  4. Step 4: Simplify right side
    89,927.98x = 6,711,120,974.61
  5. Step 5: Solve for x
    x = 6,711,120,974.61/89,927.98
  6. Step 6: Final answer
    x = 74,627.73

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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.