Home / 83,135.20-124,703.52-23,971

Finding the Fourth Proportional to 83,135.20, 124,703.52 and 23,971

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Solution

The fourth proportional to 83,135.20, 124,703.52 and 23,971 is: 35,956.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,135.20 : 124,703.52 = 23,971 : x
  2. Step 2: Convert to fraction form
    83,135.20/124,703.52 = 23,971/x
  3. Step 3: Cross multiply
    83,135.20x = 124,703.52 × 23,971
  4. Step 4: Simplify right side
    83,135.20x = 2,989,268,077.92
  5. Step 5: Solve for x
    x = 2,989,268,077.92/83,135.20
  6. Step 6: Final answer
    x = 35,956.71

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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.