Home / 83,351.47-115,017.75-49,353.87

Finding the Fourth Proportional to 83,351.47, 115,017.75 and 49,353.87

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Solution

The fourth proportional to 83,351.47, 115,017.75 and 49,353.87 is: 68,104.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,351.47 : 115,017.75 = 49,353.87 : x
  2. Step 2: Convert to fraction form
    83,351.47/115,017.75 = 49,353.87/x
  3. Step 3: Cross multiply
    83,351.47x = 115,017.75 × 49,353.87
  4. Step 4: Simplify right side
    83,351.47x = 5,676,570,888.47
  5. Step 5: Solve for x
    x = 5,676,570,888.47/83,351.47
  6. Step 6: Final answer
    x = 68,104.03

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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.