Home / 71,651.20-98,875.52-41,431.68

Finding the Fourth Proportional to 71,651.20, 98,875.52 and 41,431.68

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Solution

The fourth proportional to 71,651.20, 98,875.52 and 41,431.68 is: 57,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,651.20 : 98,875.52 = 41,431.68 : x
  2. Step 2: Convert to fraction form
    71,651.20/98,875.52 = 41,431.68/x
  3. Step 3: Cross multiply
    71,651.20x = 98,875.52 × 41,431.68
  4. Step 4: Simplify right side
    71,651.20x = 4,096,578,904.47
  5. Step 5: Solve for x
    x = 4,096,578,904.47/71,651.20
  6. Step 6: Final answer
    x = 57,173.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.