Home / 71,864.22-99,173.67-41,651.64

Finding the Fourth Proportional to 71,864.22, 99,173.67 and 41,651.64

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Solution

The fourth proportional to 71,864.22, 99,173.67 and 41,651.64 is: 57,479.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,864.22 : 99,173.67 = 41,651.64 : x
  2. Step 2: Convert to fraction form
    71,864.22/99,173.67 = 41,651.64/x
  3. Step 3: Cross multiply
    71,864.22x = 99,173.67 × 41,651.64
  4. Step 4: Simplify right side
    71,864.22x = 4,130,746,000.32
  5. Step 5: Solve for x
    x = 4,130,746,000.32/71,864.22
  6. Step 6: Final answer
    x = 57,479.87

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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.