Home / 83,016.08-114,561.81-45,290.33

Finding the Fourth Proportional to 83,016.08, 114,561.81 and 45,290.33

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Solution

The fourth proportional to 83,016.08, 114,561.81 and 45,290.33 is: 62,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,016.08 : 114,561.81 = 45,290.33 : x
  2. Step 2: Convert to fraction form
    83,016.08/114,561.81 = 45,290.33/x
  3. Step 3: Cross multiply
    83,016.08x = 114,561.81 × 45,290.33
  4. Step 4: Simplify right side
    83,016.08x = 5,188,541,953.85
  5. Step 5: Solve for x
    x = 5,188,541,953.85/83,016.08
  6. Step 6: Final answer
    x = 62,500.45

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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.