Home / 89,652.31-134,439.59-30,472.09

Finding the Fourth Proportional to 89,652.31, 134,439.59 and 30,472.09

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Solution

The fourth proportional to 89,652.31, 134,439.59 and 30,472.09 is: 45,694.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,652.31 : 134,439.59 = 30,472.09 : x
  2. Step 2: Convert to fraction form
    89,652.31/134,439.59 = 30,472.09/x
  3. Step 3: Cross multiply
    89,652.31x = 134,439.59 × 30,472.09
  4. Step 4: Simplify right side
    89,652.31x = 4,096,655,133.68
  5. Step 5: Solve for x
    x = 4,096,655,133.68/89,652.31
  6. Step 6: Final answer
    x = 45,694.92

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1.5x scale

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.