Home / 83,578.12-125,399.99-36,798.19

Finding the Fourth Proportional to 83,578.12, 125,399.99 and 36,798.19

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Solution

The fourth proportional to 83,578.12, 125,399.99 and 36,798.19 is: 55,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,578.12 : 125,399.99 = 36,798.19 : x
  2. Step 2: Convert to fraction form
    83,578.12/125,399.99 = 36,798.19/x
  3. Step 3: Cross multiply
    83,578.12x = 125,399.99 × 36,798.19
  4. Step 4: Simplify right side
    83,578.12x = 4,614,492,436.51
  5. Step 5: Solve for x
    x = 4,614,492,436.51/83,578.12
  6. Step 6: Final answer
    x = 55,211.73

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1.5x scale

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.