Home / 80,016.95-120,100.73-40,602.35

Finding the Fourth Proportional to 80,016.95, 120,100.73 and 40,602.35

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Solution

The fourth proportional to 80,016.95, 120,100.73 and 40,602.35 is: 60,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,016.95 : 120,100.73 = 40,602.35 : x
  2. Step 2: Convert to fraction form
    80,016.95/120,100.73 = 40,602.35/x
  3. Step 3: Cross multiply
    80,016.95x = 120,100.73 × 40,602.35
  4. Step 4: Simplify right side
    80,016.95x = 4,876,371,071.20
  5. Step 5: Solve for x
    x = 4,876,371,071.20/80,016.95
  6. Step 6: Final answer
    x = 60,941.73

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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.