Home / 89,921.10-134,866.30-29,942.76

Finding the Fourth Proportional to 89,921.10, 134,866.30 and 29,942.76

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Solution

The fourth proportional to 89,921.10, 134,866.30 and 29,942.76 is: 44,909.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,921.10 : 134,866.30 = 29,942.76 : x
  2. Step 2: Convert to fraction form
    89,921.10/134,866.30 = 29,942.76/x
  3. Step 3: Cross multiply
    89,921.10x = 134,866.30 × 29,942.76
  4. Step 4: Simplify right side
    89,921.10x = 4,038,269,740.02
  5. Step 5: Solve for x
    x = 4,038,269,740.02/89,921.10
  6. Step 6: Final answer
    x = 44,909.03

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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.