Home / 83,651.04-125,449.94-27,478.11

Finding the Fourth Proportional to 83,651.04, 125,449.94 and 27,478.11

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Solution

The fourth proportional to 83,651.04, 125,449.94 and 27,478.11 is: 41,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,651.04 : 125,449.94 = 27,478.11 : x
  2. Step 2: Convert to fraction form
    83,651.04/125,449.94 = 27,478.11/x
  3. Step 3: Cross multiply
    83,651.04x = 125,449.94 × 27,478.11
  4. Step 4: Simplify right side
    83,651.04x = 3,447,127,250.81
  5. Step 5: Solve for x
    x = 3,447,127,250.81/83,651.04
  6. Step 6: Final answer
    x = 41,208.42

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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.