Home / 88,106.66-121,585.38-49,865.53

Finding the Fourth Proportional to 88,106.66, 121,585.38 and 49,865.53

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Solution

The fourth proportional to 88,106.66, 121,585.38 and 49,865.53 is: 68,813.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,106.66 : 121,585.38 = 49,865.53 : x
  2. Step 2: Convert to fraction form
    88,106.66/121,585.38 = 49,865.53/x
  3. Step 3: Cross multiply
    88,106.66x = 121,585.38 × 49,865.53
  4. Step 4: Simplify right side
    88,106.66x = 6,062,919,413.95
  5. Step 5: Solve for x
    x = 6,062,919,413.95/88,106.66
  6. Step 6: Final answer
    x = 68,813.41

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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.