Home / 91,422.66-126,095.46-64,537.14

Finding the Fourth Proportional to 91,422.66, 126,095.46 and 64,537.14

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Solution

The fourth proportional to 91,422.66, 126,095.46 and 64,537.14 is: 89,013.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,422.66 : 126,095.46 = 64,537.14 : x
  2. Step 2: Convert to fraction form
    91,422.66/126,095.46 = 64,537.14/x
  3. Step 3: Cross multiply
    91,422.66x = 126,095.46 × 64,537.14
  4. Step 4: Simplify right side
    91,422.66x = 8,137,840,355.38
  5. Step 5: Solve for x
    x = 8,137,840,355.38/91,422.66
  6. Step 6: Final answer
    x = 89,013.38

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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.