Home / 89,369.85-134,071.25-29,401.70

Finding the Fourth Proportional to 89,369.85, 134,071.25 and 29,401.70

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Solution

The fourth proportional to 89,369.85, 134,071.25 and 29,401.70 is: 44,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,369.85 : 134,071.25 = 29,401.70 : x
  2. Step 2: Convert to fraction form
    89,369.85/134,071.25 = 29,401.70/x
  3. Step 3: Cross multiply
    89,369.85x = 134,071.25 × 29,401.70
  4. Step 4: Simplify right side
    89,369.85x = 3,941,921,927.26
  5. Step 5: Solve for x
    x = 3,941,921,927.26/89,369.85
  6. Step 6: Final answer
    x = 44,107.96

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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.