Home / 74,759.10-112,011.71-45,114.65

Finding the Fourth Proportional to 74,759.10, 112,011.71 and 45,114.65

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Solution

The fourth proportional to 74,759.10, 112,011.71 and 45,114.65 is: 67,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,759.10 : 112,011.71 = 45,114.65 : x
  2. Step 2: Convert to fraction form
    74,759.10/112,011.71 = 45,114.65/x
  3. Step 3: Cross multiply
    74,759.10x = 112,011.71 × 45,114.65
  4. Step 4: Simplify right side
    74,759.10x = 5,053,368,665.70
  5. Step 5: Solve for x
    x = 5,053,368,665.70/74,759.10
  6. Step 6: Final answer
    x = 67,595.36

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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.