Home / 51,278.38-70,766.93-30,064.48

Finding the Fourth Proportional to 51,278.38, 70,766.93 and 30,064.48

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Solution

The fourth proportional to 51,278.38, 70,766.93 and 30,064.48 is: 41,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,278.38 : 70,766.93 = 30,064.48 : x
  2. Step 2: Convert to fraction form
    51,278.38/70,766.93 = 30,064.48/x
  3. Step 3: Cross multiply
    51,278.38x = 70,766.93 × 30,064.48
  4. Step 4: Simplify right side
    51,278.38x = 2,127,570,951.65
  5. Step 5: Solve for x
    x = 2,127,570,951.65/51,278.38
  6. Step 6: Final answer
    x = 41,490.60

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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.