Home / 83,041.09-124,340.50-43,515.52

Finding the Fourth Proportional to 83,041.09, 124,340.50 and 43,515.52

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Solution

The fourth proportional to 83,041.09, 124,340.50 and 43,515.52 is: 65,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,041.09 : 124,340.50 = 43,515.52 : x
  2. Step 2: Convert to fraction form
    83,041.09/124,340.50 = 43,515.52/x
  3. Step 3: Cross multiply
    83,041.09x = 124,340.50 × 43,515.52
  4. Step 4: Simplify right side
    83,041.09x = 5,410,741,514.56
  5. Step 5: Solve for x
    x = 5,410,741,514.56/83,041.09
  6. Step 6: Final answer
    x = 65,157.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.