Home / 88,106.32-121,592.71-49,865.88

Finding the Fourth Proportional to 88,106.32, 121,592.71 and 49,865.88

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Solution

The fourth proportional to 88,106.32, 121,592.71 and 49,865.88 is: 68,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,106.32 : 121,592.71 = 49,865.88 : x
  2. Step 2: Convert to fraction form
    88,106.32/121,592.71 = 49,865.88/x
  3. Step 3: Cross multiply
    88,106.32x = 121,592.71 × 49,865.88
  4. Step 4: Simplify right side
    88,106.32x = 6,063,327,485.73
  5. Step 5: Solve for x
    x = 6,063,327,485.73/88,106.32
  6. Step 6: Final answer
    x = 68,818.30

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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.