Home / 83,521.89-115,259.45-45,795.33

Finding the Fourth Proportional to 83,521.89, 115,259.45 and 45,795.33

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Solution

The fourth proportional to 83,521.89, 115,259.45 and 45,795.33 is: 63,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,521.89 : 115,259.45 = 45,795.33 : x
  2. Step 2: Convert to fraction form
    83,521.89/115,259.45 = 45,795.33/x
  3. Step 3: Cross multiply
    83,521.89x = 115,259.45 × 45,795.33
  4. Step 4: Simplify right side
    83,521.89x = 5,278,344,319.39
  5. Step 5: Solve for x
    x = 5,278,344,319.39/83,521.89
  6. Step 6: Final answer
    x = 63,197.14

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1.5x scale

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.