Home / 75,001.60-103,508.48-43,180.80

Finding the Fourth Proportional to 75,001.60, 103,508.48 and 43,180.80

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Solution

The fourth proportional to 75,001.60, 103,508.48 and 43,180.80 is: 59,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,001.60 : 103,508.48 = 43,180.80 : x
  2. Step 2: Convert to fraction form
    75,001.60/103,508.48 = 43,180.80/x
  3. Step 3: Cross multiply
    75,001.60x = 103,508.48 × 43,180.80
  4. Step 4: Simplify right side
    75,001.60x = 4,469,578,973.18
  5. Step 5: Solve for x
    x = 4,469,578,973.18/75,001.60
  6. Step 6: Final answer
    x = 59,593.11

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1.5x scale

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.