Home / 74,837.25-112,278.15-43,239.56

Finding the Fourth Proportional to 74,837.25, 112,278.15 and 43,239.56

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Solution

The fourth proportional to 74,837.25, 112,278.15 and 43,239.56 is: 64,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,837.25 : 112,278.15 = 43,239.56 : x
  2. Step 2: Convert to fraction form
    74,837.25/112,278.15 = 43,239.56/x
  3. Step 3: Cross multiply
    74,837.25x = 112,278.15 × 43,239.56
  4. Step 4: Simplify right side
    74,837.25x = 4,854,857,242.22
  5. Step 5: Solve for x
    x = 4,854,857,242.22/74,837.25
  6. Step 6: Final answer
    x = 64,872.20

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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.