Home / 80,726.52-111,343.02-55,584.12

Finding the Fourth Proportional to 80,726.52, 111,343.02 and 55,584.12

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Solution

The fourth proportional to 80,726.52, 111,343.02 and 55,584.12 is: 76,665.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,726.52 : 111,343.02 = 55,584.12 : x
  2. Step 2: Convert to fraction form
    80,726.52/111,343.02 = 55,584.12/x
  3. Step 3: Cross multiply
    80,726.52x = 111,343.02 × 55,584.12
  4. Step 4: Simplify right side
    80,726.52x = 6,188,903,784.84
  5. Step 5: Solve for x
    x = 6,188,903,784.84/80,726.52
  6. Step 6: Final answer
    x = 76,665.06

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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.