Home / 123,769.12-170,801.40-67,180.48

Finding the Fourth Proportional to 123,769.12, 170,801.40 and 67,180.48

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Solution

The fourth proportional to 123,769.12, 170,801.40 and 67,180.48 is: 92,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,769.12 : 170,801.40 = 67,180.48 : x
  2. Step 2: Convert to fraction form
    123,769.12/170,801.40 = 67,180.48/x
  3. Step 3: Cross multiply
    123,769.12x = 170,801.40 × 67,180.48
  4. Step 4: Simplify right side
    123,769.12x = 11,474,520,036.67
  5. Step 5: Solve for x
    x = 11,474,520,036.67/123,769.12
  6. Step 6: Final answer
    x = 92,709.07

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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.