Home / 71,222.24-98,221.65-61,147.46

Finding the Fourth Proportional to 71,222.24, 98,221.65 and 61,147.46

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Solution

The fourth proportional to 71,222.24, 98,221.65 and 61,147.46 is: 84,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,222.24 : 98,221.65 = 61,147.46 : x
  2. Step 2: Convert to fraction form
    71,222.24/98,221.65 = 61,147.46/x
  3. Step 3: Cross multiply
    71,222.24x = 98,221.65 × 61,147.46
  4. Step 4: Simplify right side
    71,222.24x = 6,006,003,923.40
  5. Step 5: Solve for x
    x = 6,006,003,923.40/71,222.24
  6. Step 6: Final answer
    x = 84,327.65

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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.