Home / 84,243.87-126,402.72-44,253.58

Finding the Fourth Proportional to 84,243.87, 126,402.72 and 44,253.58

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Solution

The fourth proportional to 84,243.87, 126,402.72 and 44,253.58 is: 66,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,243.87 : 126,402.72 = 44,253.58 : x
  2. Step 2: Convert to fraction form
    84,243.87/126,402.72 = 44,253.58/x
  3. Step 3: Cross multiply
    84,243.87x = 126,402.72 × 44,253.58
  4. Step 4: Simplify right side
    84,243.87x = 5,593,772,731.68
  5. Step 5: Solve for x
    x = 5,593,772,731.68/84,243.87
  6. Step 6: Final answer
    x = 66,399.76

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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.