Home / 74,947.90-112,366.24-45,358.70

Finding the Fourth Proportional to 74,947.90, 112,366.24 and 45,358.70

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Solution

The fourth proportional to 74,947.90, 112,366.24 and 45,358.70 is: 68,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,947.90 : 112,366.24 = 45,358.70 : x
  2. Step 2: Convert to fraction form
    74,947.90/112,366.24 = 45,358.70/x
  3. Step 3: Cross multiply
    74,947.90x = 112,366.24 × 45,358.70
  4. Step 4: Simplify right side
    74,947.90x = 5,096,786,570.29
  5. Step 5: Solve for x
    x = 5,096,786,570.29/74,947.90
  6. Step 6: Final answer
    x = 68,004.39

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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.