Home / 89,562.11-134,355.51-30,381.89

Finding the Fourth Proportional to 89,562.11, 134,355.51 and 30,381.89

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Solution

The fourth proportional to 89,562.11, 134,355.51 and 30,381.89 is: 45,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,562.11 : 134,355.51 = 30,381.89 : x
  2. Step 2: Convert to fraction form
    89,562.11/134,355.51 = 30,381.89/x
  3. Step 3: Cross multiply
    89,562.11x = 134,355.51 × 30,381.89
  4. Step 4: Simplify right side
    89,562.11x = 4,081,973,653.94
  5. Step 5: Solve for x
    x = 4,081,973,653.94/89,562.11
  6. Step 6: Final answer
    x = 45,577.02

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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.