Home / 75,182.60-103,763.04-43,345.28

Finding the Fourth Proportional to 75,182.60, 103,763.04 and 43,345.28

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Solution

The fourth proportional to 75,182.60, 103,763.04 and 43,345.28 is: 59,822.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,182.60 : 103,763.04 = 43,345.28 : x
  2. Step 2: Convert to fraction form
    75,182.60/103,763.04 = 43,345.28/x
  3. Step 3: Cross multiply
    75,182.60x = 103,763.04 × 43,345.28
  4. Step 4: Simplify right side
    75,182.60x = 4,497,638,022.45
  5. Step 5: Solve for x
    x = 4,497,638,022.45/75,182.60
  6. Step 6: Final answer
    x = 59,822.86

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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.