Home / 75,349.32-112,943.76-35,822.88

Finding the Fourth Proportional to 75,349.32, 112,943.76 and 35,822.88

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Solution

The fourth proportional to 75,349.32, 112,943.76 and 35,822.88 is: 53,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,349.32 : 112,943.76 = 35,822.88 : x
  2. Step 2: Convert to fraction form
    75,349.32/112,943.76 = 35,822.88/x
  3. Step 3: Cross multiply
    75,349.32x = 112,943.76 × 35,822.88
  4. Step 4: Simplify right side
    75,349.32x = 4,045,970,761.23
  5. Step 5: Solve for x
    x = 4,045,970,761.23/75,349.32
  6. Step 6: Final answer
    x = 53,696.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.