Home / 75,461.61-104,132.65-43,197.90

Finding the Fourth Proportional to 75,461.61, 104,132.65 and 43,197.90

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Solution

The fourth proportional to 75,461.61, 104,132.65 and 43,197.90 is: 59,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,461.61 : 104,132.65 = 43,197.90 : x
  2. Step 2: Convert to fraction form
    75,461.61/104,132.65 = 43,197.90/x
  3. Step 3: Cross multiply
    75,461.61x = 104,132.65 × 43,197.90
  4. Step 4: Simplify right side
    75,461.61x = 4,498,311,801.44
  5. Step 5: Solve for x
    x = 4,498,311,801.44/75,461.61
  6. Step 6: Final answer
    x = 59,610.60

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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.