Home / 75,311.61-103,926.57-41,319.36

Finding the Fourth Proportional to 75,311.61, 103,926.57 and 41,319.36

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Solution

The fourth proportional to 75,311.61, 103,926.57 and 41,319.36 is: 57,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,311.61 : 103,926.57 = 41,319.36 : x
  2. Step 2: Convert to fraction form
    75,311.61/103,926.57 = 41,319.36/x
  3. Step 3: Cross multiply
    75,311.61x = 103,926.57 × 41,319.36
  4. Step 4: Simplify right side
    75,311.61x = 4,294,179,359.40
  5. Step 5: Solve for x
    x = 4,294,179,359.40/75,311.61
  6. Step 6: Final answer
    x = 57,018.82

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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.