Home / 81,095.08-110,938.65-80,753.53

Finding the Fourth Proportional to 81,095.08, 110,938.65 and 80,753.53

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Solution

The fourth proportional to 81,095.08, 110,938.65 and 80,753.53 is: 110,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,095.08 : 110,938.65 = 80,753.53 : x
  2. Step 2: Convert to fraction form
    81,095.08/110,938.65 = 80,753.53/x
  3. Step 3: Cross multiply
    81,095.08x = 110,938.65 × 80,753.53
  4. Step 4: Simplify right side
    81,095.08x = 8,958,687,600.93
  5. Step 5: Solve for x
    x = 8,958,687,600.93/81,095.08
  6. Step 6: Final answer
    x = 110,471.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.