Home / 88,185.15-121,703.03-49,951.52

Finding the Fourth Proportional to 88,185.15, 121,703.03 and 49,951.52

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Solution

The fourth proportional to 88,185.15, 121,703.03 and 49,951.52 is: 68,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,185.15 : 121,703.03 = 49,951.52 : x
  2. Step 2: Convert to fraction form
    88,185.15/121,703.03 = 49,951.52/x
  3. Step 3: Cross multiply
    88,185.15x = 121,703.03 × 49,951.52
  4. Step 4: Simplify right side
    88,185.15x = 6,079,251,337.11
  5. Step 5: Solve for x
    x = 6,079,251,337.11/88,185.15
  6. Step 6: Final answer
    x = 68,937.36

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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.