Home / 83,923.68-115,811.06-45,683.28

Finding the Fourth Proportional to 83,923.68, 115,811.06 and 45,683.28

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Solution

The fourth proportional to 83,923.68, 115,811.06 and 45,683.28 is: 63,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,923.68 : 115,811.06 = 45,683.28 : x
  2. Step 2: Convert to fraction form
    83,923.68/115,811.06 = 45,683.28/x
  3. Step 3: Cross multiply
    83,923.68x = 115,811.06 × 45,683.28
  4. Step 4: Simplify right side
    83,923.68x = 5,290,629,081.08
  5. Step 5: Solve for x
    x = 5,290,629,081.08/83,923.68
  6. Step 6: Final answer
    x = 63,040.96

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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.