Home / 75,306.36-103,923.18-41,772.36

Finding the Fourth Proportional to 75,306.36, 103,923.18 and 41,772.36

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Solution

The fourth proportional to 75,306.36, 103,923.18 and 41,772.36 is: 57,646.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,306.36 : 103,923.18 = 41,772.36 : x
  2. Step 2: Convert to fraction form
    75,306.36/103,923.18 = 41,772.36/x
  3. Step 3: Cross multiply
    75,306.36x = 103,923.18 × 41,772.36
  4. Step 4: Simplify right side
    75,306.36x = 4,341,116,487.30
  5. Step 5: Solve for x
    x = 4,341,116,487.30/75,306.36
  6. Step 6: Final answer
    x = 57,646.08

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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.