Home / 89,928.48-124,025.09-54,111.80

Finding the Fourth Proportional to 89,928.48, 124,025.09 and 54,111.80

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Solution

The fourth proportional to 89,928.48, 124,025.09 and 54,111.80 is: 74,628.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,928.48 : 124,025.09 = 54,111.80 : x
  2. Step 2: Convert to fraction form
    89,928.48/124,025.09 = 54,111.80/x
  3. Step 3: Cross multiply
    89,928.48x = 124,025.09 × 54,111.80
  4. Step 4: Simplify right side
    89,928.48x = 6,711,219,974.38
  5. Step 5: Solve for x
    x = 6,711,219,974.38/89,928.48
  6. Step 6: Final answer
    x = 74,628.42

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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.