Home / 89,701.80-134,377.68-54,554.28

Finding the Fourth Proportional to 89,701.80, 134,377.68 and 54,554.28

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Solution

The fourth proportional to 89,701.80, 134,377.68 and 54,554.28 is: 81,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,701.80 : 134,377.68 = 54,554.28 : x
  2. Step 2: Convert to fraction form
    89,701.80/134,377.68 = 54,554.28/x
  3. Step 3: Cross multiply
    89,701.80x = 134,377.68 × 54,554.28
  4. Step 4: Simplify right side
    89,701.80x = 7,330,877,580.47
  5. Step 5: Solve for x
    x = 7,330,877,580.47/89,701.80
  6. Step 6: Final answer
    x = 81,724.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.