Home / 91,131.79-136,823.60-62,982.49

Finding the Fourth Proportional to 91,131.79, 136,823.60 and 62,982.49

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Solution

The fourth proportional to 91,131.79, 136,823.60 and 62,982.49 is: 94,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,131.79 : 136,823.60 = 62,982.49 : x
  2. Step 2: Convert to fraction form
    91,131.79/136,823.60 = 62,982.49/x
  3. Step 3: Cross multiply
    91,131.79x = 136,823.60 × 62,982.49
  4. Step 4: Simplify right side
    91,131.79x = 8,617,491,018.76
  5. Step 5: Solve for x
    x = 8,617,491,018.76/91,131.79
  6. Step 6: Final answer
    x = 94,560.76

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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.