Home / 89,403.09-134,121.26-29,434.93

Finding the Fourth Proportional to 89,403.09, 134,121.26 and 29,434.93

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Solution

The fourth proportional to 89,403.09, 134,121.26 and 29,434.93 is: 44,157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,403.09 : 134,121.26 = 29,434.93 : x
  2. Step 2: Convert to fraction form
    89,403.09/134,121.26 = 29,434.93/x
  3. Step 3: Cross multiply
    89,403.09x = 134,121.26 × 29,434.93
  4. Step 4: Simplify right side
    89,403.09x = 3,947,849,899.61
  5. Step 5: Solve for x
    x = 3,947,849,899.61/89,403.09
  6. Step 6: Final answer
    x = 44,157.87

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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.