Home / 91,420.93-137,114.52-41,489.02

Finding the Fourth Proportional to 91,420.93, 137,114.52 and 41,489.02

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Solution

The fourth proportional to 91,420.93, 137,114.52 and 41,489.02 is: 62,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,420.93 : 137,114.52 = 41,489.02 : x
  2. Step 2: Convert to fraction form
    91,420.93/137,114.52 = 41,489.02/x
  3. Step 3: Cross multiply
    91,420.93x = 137,114.52 × 41,489.02
  4. Step 4: Simplify right side
    91,420.93x = 5,688,747,062.57
  5. Step 5: Solve for x
    x = 5,688,747,062.57/91,420.93
  6. Step 6: Final answer
    x = 62,225.87

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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.