Home / 75,287.32-103,895.78-41,295.10

Finding the Fourth Proportional to 75,287.32, 103,895.78 and 41,295.10

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Solution

The fourth proportional to 75,287.32, 103,895.78 and 41,295.10 is: 56,986.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,287.32 : 103,895.78 = 41,295.10 : x
  2. Step 2: Convert to fraction form
    75,287.32/103,895.78 = 41,295.10/x
  3. Step 3: Cross multiply
    75,287.32x = 103,895.78 × 41,295.10
  4. Step 4: Simplify right side
    75,287.32x = 4,290,386,624.68
  5. Step 5: Solve for x
    x = 4,290,386,624.68/75,287.32
  6. Step 6: Final answer
    x = 56,986.84

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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.