Home / 74,734.66-103,075.49-47,879.65

Finding the Fourth Proportional to 74,734.66, 103,075.49 and 47,879.65

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Solution

The fourth proportional to 74,734.66, 103,075.49 and 47,879.65 is: 66,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734.66 : 103,075.49 = 47,879.65 : x
  2. Step 2: Convert to fraction form
    74,734.66/103,075.49 = 47,879.65/x
  3. Step 3: Cross multiply
    74,734.66x = 103,075.49 × 47,879.65
  4. Step 4: Simplify right side
    74,734.66x = 4,935,218,246.79
  5. Step 5: Solve for x
    x = 4,935,218,246.79/74,734.66
  6. Step 6: Final answer
    x = 66,036.54

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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.