Home / 75,209.49-103,799.46-43,377.69

Finding the Fourth Proportional to 75,209.49, 103,799.46 and 43,377.69

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Solution

The fourth proportional to 75,209.49, 103,799.46 and 43,377.69 is: 59,867.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,209.49 : 103,799.46 = 43,377.69 : x
  2. Step 2: Convert to fraction form
    75,209.49/103,799.46 = 43,377.69/x
  3. Step 3: Cross multiply
    75,209.49x = 103,799.46 × 43,377.69
  4. Step 4: Simplify right side
    75,209.49x = 4,502,580,798.05
  5. Step 5: Solve for x
    x = 4,502,580,798.05/75,209.49
  6. Step 6: Final answer
    x = 59,867.19

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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.