Home / 112,591.65-155,375.33-62,291.01

Finding the Fourth Proportional to 112,591.65, 155,375.33 and 62,291.01

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Solution

The fourth proportional to 112,591.65, 155,375.33 and 62,291.01 is: 85,960.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,591.65 : 155,375.33 = 62,291.01 : x
  2. Step 2: Convert to fraction form
    112,591.65/155,375.33 = 62,291.01/x
  3. Step 3: Cross multiply
    112,591.65x = 155,375.33 × 62,291.01
  4. Step 4: Simplify right side
    112,591.65x = 9,678,485,923.33
  5. Step 5: Solve for x
    x = 9,678,485,923.33/112,591.65
  6. Step 6: Final answer
    x = 85,960.96

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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.