Home / 89,535.89-134,305.38-30,373.08

Finding the Fourth Proportional to 89,535.89, 134,305.38 and 30,373.08

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Solution

The fourth proportional to 89,535.89, 134,305.38 and 30,373.08 is: 45,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,535.89 : 134,305.38 = 30,373.08 : x
  2. Step 2: Convert to fraction form
    89,535.89/134,305.38 = 30,373.08/x
  3. Step 3: Cross multiply
    89,535.89x = 134,305.38 × 30,373.08
  4. Step 4: Simplify right side
    89,535.89x = 4,079,268,051.17
  5. Step 5: Solve for x
    x = 4,079,268,051.17/89,535.89
  6. Step 6: Final answer
    x = 45,560.15

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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.