Home / 83,606.06-115,378.35-47,799.43

Finding the Fourth Proportional to 83,606.06, 115,378.35 and 47,799.43

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Solution

The fourth proportional to 83,606.06, 115,378.35 and 47,799.43 is: 65,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,606.06 : 115,378.35 = 47,799.43 : x
  2. Step 2: Convert to fraction form
    83,606.06/115,378.35 = 47,799.43/x
  3. Step 3: Cross multiply
    83,606.06x = 115,378.35 × 47,799.43
  4. Step 4: Simplify right side
    83,606.06x = 5,515,019,364.34
  5. Step 5: Solve for x
    x = 5,515,019,364.34/83,606.06
  6. Step 6: Final answer
    x = 65,964.35

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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.