Home / 75,482.38-104,171.12-45,267.15

Finding the Fourth Proportional to 75,482.38, 104,171.12 and 45,267.15

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Solution

The fourth proportional to 75,482.38, 104,171.12 and 45,267.15 is: 62,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,482.38 : 104,171.12 = 45,267.15 : x
  2. Step 2: Convert to fraction form
    75,482.38/104,171.12 = 45,267.15/x
  3. Step 3: Cross multiply
    75,482.38x = 104,171.12 × 45,267.15
  4. Step 4: Simplify right side
    75,482.38x = 4,715,529,827.88
  5. Step 5: Solve for x
    x = 4,715,529,827.88/75,482.38
  6. Step 6: Final answer
    x = 62,471.93

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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.