Home / 88,162.41-121,671.66-49,928.72

Finding the Fourth Proportional to 88,162.41, 121,671.66 and 49,928.72

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Solution

The fourth proportional to 88,162.41, 121,671.66 and 49,928.72 is: 68,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,162.41 : 121,671.66 = 49,928.72 : x
  2. Step 2: Convert to fraction form
    88,162.41/121,671.66 = 49,928.72/x
  3. Step 3: Cross multiply
    88,162.41x = 121,671.66 × 49,928.72
  4. Step 4: Simplify right side
    88,162.41x = 6,074,909,635.72
  5. Step 5: Solve for x
    x = 6,074,909,635.72/88,162.41
  6. Step 6: Final answer
    x = 68,905.89

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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.