Home / 91,867.57-137,810.05-35,712.02

Finding the Fourth Proportional to 91,867.57, 137,810.05 and 35,712.02

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Solution

The fourth proportional to 91,867.57, 137,810.05 and 35,712.02 is: 53,571.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,867.57 : 137,810.05 = 35,712.02 : x
  2. Step 2: Convert to fraction form
    91,867.57/137,810.05 = 35,712.02/x
  3. Step 3: Cross multiply
    91,867.57x = 137,810.05 × 35,712.02
  4. Step 4: Simplify right side
    91,867.57x = 4,921,474,572.75
  5. Step 5: Solve for x
    x = 4,921,474,572.75/91,867.57
  6. Step 6: Final answer
    x = 53,571.41

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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.