Home / 91,671.93-126,506.84-51,385.73

Finding the Fourth Proportional to 91,671.93, 126,506.84 and 51,385.73

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Solution

The fourth proportional to 91,671.93, 126,506.84 and 51,385.73 is: 70,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,671.93 : 126,506.84 = 51,385.73 : x
  2. Step 2: Convert to fraction form
    91,671.93/126,506.84 = 51,385.73/x
  3. Step 3: Cross multiply
    91,671.93x = 126,506.84 × 51,385.73
  4. Step 4: Simplify right side
    91,671.93x = 6,500,645,433.93
  5. Step 5: Solve for x
    x = 6,500,645,433.93/91,671.93
  6. Step 6: Final answer
    x = 70,912.06

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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.