Home / 73,724.28-110,490.81-42,085.68

Finding the Fourth Proportional to 73,724.28, 110,490.81 and 42,085.68

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Solution

The fourth proportional to 73,724.28, 110,490.81 and 42,085.68 is: 63,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,724.28 : 110,490.81 = 42,085.68 : x
  2. Step 2: Convert to fraction form
    73,724.28/110,490.81 = 42,085.68/x
  3. Step 3: Cross multiply
    73,724.28x = 110,490.81 × 42,085.68
  4. Step 4: Simplify right side
    73,724.28x = 4,650,080,872.60
  5. Step 5: Solve for x
    x = 4,650,080,872.60/73,724.28
  6. Step 6: Final answer
    x = 63,073.94

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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.