Home / 75,182.10-103,762.35-43,344.78

Finding the Fourth Proportional to 75,182.10, 103,762.35 and 43,344.78

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Solution

The fourth proportional to 75,182.10, 103,762.35 and 43,344.78 is: 59,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,182.10 : 103,762.35 = 43,344.78 : x
  2. Step 2: Convert to fraction form
    75,182.10/103,762.35 = 43,344.78/x
  3. Step 3: Cross multiply
    75,182.10x = 103,762.35 × 43,344.78
  4. Step 4: Simplify right side
    75,182.10x = 4,497,556,233.03
  5. Step 5: Solve for x
    x = 4,497,556,233.03/75,182.10
  6. Step 6: Final answer
    x = 59,822.17

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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.