Home / 89,872.34-134,808.50-30,708.52

Finding the Fourth Proportional to 89,872.34, 134,808.50 and 30,708.52

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Solution

The fourth proportional to 89,872.34, 134,808.50 and 30,708.52 is: 46,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,872.34 : 134,808.50 = 30,708.52 : x
  2. Step 2: Convert to fraction form
    89,872.34/134,808.50 = 30,708.52/x
  3. Step 3: Cross multiply
    89,872.34x = 134,808.50 × 30,708.52
  4. Step 4: Simplify right side
    89,872.34x = 4,139,769,258.17
  5. Step 5: Solve for x
    x = 4,139,769,258.17/89,872.34
  6. Step 6: Final answer
    x = 46,062.78

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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.