Home / 83,968.11-115,823.93-49,953.58

Finding the Fourth Proportional to 83,968.11, 115,823.93 and 49,953.58

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Solution

The fourth proportional to 83,968.11, 115,823.93 and 49,953.58 is: 68,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,968.11 : 115,823.93 = 49,953.58 : x
  2. Step 2: Convert to fraction form
    83,968.11/115,823.93 = 49,953.58/x
  3. Step 3: Cross multiply
    83,968.11x = 115,823.93 × 49,953.58
  4. Step 4: Simplify right side
    83,968.11x = 5,785,819,413.84
  5. Step 5: Solve for x
    x = 5,785,819,413.84/83,968.11
  6. Step 6: Final answer
    x = 68,904.96

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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.