Home / 75,122.14-103,668.65-43,290.22

Finding the Fourth Proportional to 75,122.14, 103,668.65 and 43,290.22

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Solution

The fourth proportional to 75,122.14, 103,668.65 and 43,290.22 is: 59,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,122.14 : 103,668.65 = 43,290.22 : x
  2. Step 2: Convert to fraction form
    75,122.14/103,668.65 = 43,290.22/x
  3. Step 3: Cross multiply
    75,122.14x = 103,668.65 × 43,290.22
  4. Step 4: Simplify right side
    75,122.14x = 4,487,838,665.60
  5. Step 5: Solve for x
    x = 4,487,838,665.60/75,122.14
  6. Step 6: Final answer
    x = 59,740.56

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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.