Home / 89,508.36-134,262.55-42,619.08

Finding the Fourth Proportional to 89,508.36, 134,262.55 and 42,619.08

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Solution

The fourth proportional to 89,508.36, 134,262.55 and 42,619.08 is: 63,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,508.36 : 134,262.55 = 42,619.08 : x
  2. Step 2: Convert to fraction form
    89,508.36/134,262.55 = 42,619.08/x
  3. Step 3: Cross multiply
    89,508.36x = 134,262.55 × 42,619.08
  4. Step 4: Simplify right side
    89,508.36x = 5,722,146,359.45
  5. Step 5: Solve for x
    x = 5,722,146,359.45/89,508.36
  6. Step 6: Final answer
    x = 63,928.62

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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.