Home / 83,544.48-115,289.28-45,819.36

Finding the Fourth Proportional to 83,544.48, 115,289.28 and 45,819.36

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Solution

The fourth proportional to 83,544.48, 115,289.28 and 45,819.36 is: 63,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,544.48 : 115,289.28 = 45,819.36 : x
  2. Step 2: Convert to fraction form
    83,544.48/115,289.28 = 45,819.36/x
  3. Step 3: Cross multiply
    83,544.48x = 115,289.28 × 45,819.36
  4. Step 4: Simplify right side
    83,544.48x = 5,282,481,024.46
  5. Step 5: Solve for x
    x = 5,282,481,024.46/83,544.48
  6. Step 6: Final answer
    x = 63,229.56

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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.