Home / 123,937.83-171,034.38-70,226.49

Finding the Fourth Proportional to 123,937.83, 171,034.38 and 70,226.49

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Solution

The fourth proportional to 123,937.83, 171,034.38 and 70,226.49 is: 96,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,937.83 : 171,034.38 = 70,226.49 : x
  2. Step 2: Convert to fraction form
    123,937.83/171,034.38 = 70,226.49/x
  3. Step 3: Cross multiply
    123,937.83x = 171,034.38 × 70,226.49
  4. Step 4: Simplify right side
    123,937.83x = 12,011,144,176.73
  5. Step 5: Solve for x
    x = 12,011,144,176.73/123,937.83
  6. Step 6: Final answer
    x = 96,912.66

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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.