Home / 71,547.96-107,278.18-34,119.48

Finding the Fourth Proportional to 71,547.96, 107,278.18 and 34,119.48

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Solution

The fourth proportional to 71,547.96, 107,278.18 and 34,119.48 is: 51,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,547.96 : 107,278.18 = 34,119.48 : x
  2. Step 2: Convert to fraction form
    71,547.96/107,278.18 = 34,119.48/x
  3. Step 3: Cross multiply
    71,547.96x = 107,278.18 × 34,119.48
  4. Step 4: Simplify right side
    71,547.96x = 3,660,275,716.95
  5. Step 5: Solve for x
    x = 3,660,275,716.95/71,547.96
  6. Step 6: Final answer
    x = 51,158.35

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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.