Home / 80,630.22-111,282.02-58,043.98

Finding the Fourth Proportional to 80,630.22, 111,282.02 and 58,043.98

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Solution

The fourth proportional to 80,630.22, 111,282.02 and 58,043.98 is: 80,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,630.22 : 111,282.02 = 58,043.98 : x
  2. Step 2: Convert to fraction form
    80,630.22/111,282.02 = 58,043.98/x
  3. Step 3: Cross multiply
    80,630.22x = 111,282.02 × 58,043.98
  4. Step 4: Simplify right side
    80,630.22x = 6,459,251,343.24
  5. Step 5: Solve for x
    x = 6,459,251,343.24/80,630.22
  6. Step 6: Final answer
    x = 80,109.56

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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.