Home / 91,855.97-126,763.20-51,570.82

Finding the Fourth Proportional to 91,855.97, 126,763.20 and 51,570.82

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Solution

The fourth proportional to 91,855.97, 126,763.20 and 51,570.82 is: 71,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,855.97 : 126,763.20 = 51,570.82 : x
  2. Step 2: Convert to fraction form
    91,855.97/126,763.20 = 51,570.82/x
  3. Step 3: Cross multiply
    91,855.97x = 126,763.20 × 51,570.82
  4. Step 4: Simplify right side
    91,855.97x = 6,537,281,852.92
  5. Step 5: Solve for x
    x = 6,537,281,852.92/91,855.97
  6. Step 6: Final answer
    x = 71,168.83

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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.