Home / 75,177.48-103,743.54-43,347.72

Finding the Fourth Proportional to 75,177.48, 103,743.54 and 43,347.72

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Solution

The fourth proportional to 75,177.48, 103,743.54 and 43,347.72 is: 59,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,177.48 : 103,743.54 = 43,347.72 : x
  2. Step 2: Convert to fraction form
    75,177.48/103,743.54 = 43,347.72/x
  3. Step 3: Cross multiply
    75,177.48x = 103,743.54 × 43,347.72
  4. Step 4: Simplify right side
    75,177.48x = 4,497,045,923.73
  5. Step 5: Solve for x
    x = 4,497,045,923.73/75,177.48
  6. Step 6: Final answer
    x = 59,819.06

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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.