Home / 61,272.12-84,589.74-49,141.56

Finding the Fourth Proportional to 61,272.12, 84,589.74 and 49,141.56

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Solution

The fourth proportional to 61,272.12, 84,589.74 and 49,141.56 is: 67,842.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,272.12 : 84,589.74 = 49,141.56 : x
  2. Step 2: Convert to fraction form
    61,272.12/84,589.74 = 49,141.56/x
  3. Step 3: Cross multiply
    61,272.12x = 84,589.74 × 49,141.56
  4. Step 4: Simplify right side
    61,272.12x = 4,156,871,783.59
  5. Step 5: Solve for x
    x = 4,156,871,783.59/61,272.12
  6. Step 6: Final answer
    x = 67,842.79

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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.