Home / 87,846.47-121,223.21-49,603.53

Finding the Fourth Proportional to 87,846.47, 121,223.21 and 49,603.53

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Solution

The fourth proportional to 87,846.47, 121,223.21 and 49,603.53 is: 68,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,846.47 : 121,223.21 = 49,603.53 : x
  2. Step 2: Convert to fraction form
    87,846.47/121,223.21 = 49,603.53/x
  3. Step 3: Cross multiply
    87,846.47x = 121,223.21 × 49,603.53
  4. Step 4: Simplify right side
    87,846.47x = 6,013,098,885.91
  5. Step 5: Solve for x
    x = 6,013,098,885.91/87,846.47
  6. Step 6: Final answer
    x = 68,450.10

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1.5x scale

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.