Home / 89,903.38-134,813.36-52,474.28

Finding the Fourth Proportional to 89,903.38, 134,813.36 and 52,474.28

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Solution

The fourth proportional to 89,903.38, 134,813.36 and 52,474.28 is: 78,687.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,903.38 : 134,813.36 = 52,474.28 : x
  2. Step 2: Convert to fraction form
    89,903.38/134,813.36 = 52,474.28/x
  3. Step 3: Cross multiply
    89,903.38x = 134,813.36 × 52,474.28
  4. Step 4: Simplify right side
    89,903.38x = 7,074,234,000.38
  5. Step 5: Solve for x
    x = 7,074,234,000.38/89,903.38
  6. Step 6: Final answer
    x = 78,687.07

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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.