Home / 75,269.10-112,897.86-27,861.93

Finding the Fourth Proportional to 75,269.10, 112,897.86 and 27,861.93

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Solution

The fourth proportional to 75,269.10, 112,897.86 and 27,861.93 is: 41,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,269.10 : 112,897.86 = 27,861.93 : x
  2. Step 2: Convert to fraction form
    75,269.10/112,897.86 = 27,861.93/x
  3. Step 3: Cross multiply
    75,269.10x = 112,897.86 × 27,861.93
  4. Step 4: Simplify right side
    75,269.10x = 3,145,552,272.47
  5. Step 5: Solve for x
    x = 3,145,552,272.47/75,269.10
  6. Step 6: Final answer
    x = 41,790.75

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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.