Home / 83,178.18-114,786.18-45,453.24

Finding the Fourth Proportional to 83,178.18, 114,786.18 and 45,453.24

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Solution

The fourth proportional to 83,178.18, 114,786.18 and 45,453.24 is: 62,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,178.18 : 114,786.18 = 45,453.24 : x
  2. Step 2: Convert to fraction form
    83,178.18/114,786.18 = 45,453.24/x
  3. Step 3: Cross multiply
    83,178.18x = 114,786.18 × 45,453.24
  4. Step 4: Simplify right side
    83,178.18x = 5,217,403,788.22
  5. Step 5: Solve for x
    x = 5,217,403,788.22/83,178.18
  6. Step 6: Final answer
    x = 62,725.63

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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.