Home / 88,103.07-121,588.25-49,862.66

Finding the Fourth Proportional to 88,103.07, 121,588.25 and 49,862.66

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Solution

The fourth proportional to 88,103.07, 121,588.25 and 49,862.66 is: 68,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,103.07 : 121,588.25 = 49,862.66 : x
  2. Step 2: Convert to fraction form
    88,103.07/121,588.25 = 49,862.66/x
  3. Step 3: Cross multiply
    88,103.07x = 121,588.25 × 49,862.66
  4. Step 4: Simplify right side
    88,103.07x = 6,062,712,712.49
  5. Step 5: Solve for x
    x = 6,062,712,712.49/88,103.07
  6. Step 6: Final answer
    x = 68,813.86

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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.