Home / 84,966.30-127,449.45-40,679.55

Finding the Fourth Proportional to 84,966.30, 127,449.45 and 40,679.55

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Solution

The fourth proportional to 84,966.30, 127,449.45 and 40,679.55 is: 61,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,966.30 : 127,449.45 = 40,679.55 : x
  2. Step 2: Convert to fraction form
    84,966.30/127,449.45 = 40,679.55/x
  3. Step 3: Cross multiply
    84,966.30x = 127,449.45 × 40,679.55
  4. Step 4: Simplify right side
    84,966.30x = 5,184,586,273.75
  5. Step 5: Solve for x
    x = 5,184,586,273.75/84,966.30
  6. Step 6: Final answer
    x = 61,019.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.