Home / 74,947.46-103,400.56-48,104.74

Finding the Fourth Proportional to 74,947.46, 103,400.56 and 48,104.74

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Solution

The fourth proportional to 74,947.46, 103,400.56 and 48,104.74 is: 66,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,947.46 : 103,400.56 = 48,104.74 : x
  2. Step 2: Convert to fraction form
    74,947.46/103,400.56 = 48,104.74/x
  3. Step 3: Cross multiply
    74,947.46x = 103,400.56 × 48,104.74
  4. Step 4: Simplify right side
    74,947.46x = 4,974,057,054.65
  5. Step 5: Solve for x
    x = 4,974,057,054.65/74,947.46
  6. Step 6: Final answer
    x = 66,367.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.