Home / 83,708.00-115,519.07-47,909.54

Finding the Fourth Proportional to 83,708.00, 115,519.07 and 47,909.54

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Solution

The fourth proportional to 83,708.00, 115,519.07 and 47,909.54 is: 66,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,708.00 : 115,519.07 = 47,909.54 : x
  2. Step 2: Convert to fraction form
    83,708.00/115,519.07 = 47,909.54/x
  3. Step 3: Cross multiply
    83,708.00x = 115,519.07 × 47,909.54
  4. Step 4: Simplify right side
    83,708.00x = 5,534,465,913.50
  5. Step 5: Solve for x
    x = 5,534,465,913.50/83,708.00
  6. Step 6: Final answer
    x = 66,116.34

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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.