Home / 75,196.62-103,776.66-42,932.70

Finding the Fourth Proportional to 75,196.62, 103,776.66 and 42,932.70

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Solution

The fourth proportional to 75,196.62, 103,776.66 and 42,932.70 is: 59,250.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,196.62 : 103,776.66 = 42,932.70 : x
  2. Step 2: Convert to fraction form
    75,196.62/103,776.66 = 42,932.70/x
  3. Step 3: Cross multiply
    75,196.62x = 103,776.66 × 42,932.70
  4. Step 4: Simplify right side
    75,196.62x = 4,455,412,210.78
  5. Step 5: Solve for x
    x = 4,455,412,210.78/75,196.62
  6. Step 6: Final answer
    x = 59,250.17

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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.