Home / 91,412.51-137,101.96-41,480.60

Finding the Fourth Proportional to 91,412.51, 137,101.96 and 41,480.60

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Solution

The fourth proportional to 91,412.51, 137,101.96 and 41,480.60 is: 62,213.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,412.51 : 137,101.96 = 41,480.60 : x
  2. Step 2: Convert to fraction form
    91,412.51/137,101.96 = 41,480.60/x
  3. Step 3: Cross multiply
    91,412.51x = 137,101.96 × 41,480.60
  4. Step 4: Simplify right side
    91,412.51x = 5,687,071,354.57
  5. Step 5: Solve for x
    x = 5,687,071,354.57/91,412.51
  6. Step 6: Final answer
    x = 62,213.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.