Home / 49,368.43-68,128.76-30,248.25

Finding the Fourth Proportional to 49,368.43, 68,128.76 and 30,248.25

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Solution

The fourth proportional to 49,368.43, 68,128.76 and 30,248.25 is: 41,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,368.43 : 68,128.76 = 30,248.25 : x
  2. Step 2: Convert to fraction form
    49,368.43/68,128.76 = 30,248.25/x
  3. Step 3: Cross multiply
    49,368.43x = 68,128.76 × 30,248.25
  4. Step 4: Simplify right side
    49,368.43x = 2,060,775,764.67
  5. Step 5: Solve for x
    x = 2,060,775,764.67/49,368.43
  6. Step 6: Final answer
    x = 41,742.79

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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.