Home / 89,034.66-122,873.76-51,311.34

Finding the Fourth Proportional to 89,034.66, 122,873.76 and 51,311.34

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Solution

The fourth proportional to 89,034.66, 122,873.76 and 51,311.34 is: 70,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,034.66 : 122,873.76 = 51,311.34 : x
  2. Step 2: Convert to fraction form
    89,034.66/122,873.76 = 51,311.34/x
  3. Step 3: Cross multiply
    89,034.66x = 122,873.76 × 51,311.34
  4. Step 4: Simplify right side
    89,034.66x = 6,304,817,276.44
  5. Step 5: Solve for x
    x = 6,304,817,276.44/89,034.66
  6. Step 6: Final answer
    x = 70,813.07

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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.