Home / 91,577.24-126,391.80-62,873.40

Finding the Fourth Proportional to 91,577.24, 126,391.80 and 62,873.40

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Solution

The fourth proportional to 91,577.24, 126,391.80 and 62,873.40 is: 86,775.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,577.24 : 126,391.80 = 62,873.40 : x
  2. Step 2: Convert to fraction form
    91,577.24/126,391.80 = 62,873.40/x
  3. Step 3: Cross multiply
    91,577.24x = 126,391.80 × 62,873.40
  4. Step 4: Simplify right side
    91,577.24x = 7,946,682,198.12
  5. Step 5: Solve for x
    x = 7,946,682,198.12/91,577.24
  6. Step 6: Final answer
    x = 86,775.73

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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.