Home / 83,582.03-115,345.23-45,856.28

Finding the Fourth Proportional to 83,582.03, 115,345.23 and 45,856.28

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Solution

The fourth proportional to 83,582.03, 115,345.23 and 45,856.28 is: 63,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,582.03 : 115,345.23 = 45,856.28 : x
  2. Step 2: Convert to fraction form
    83,582.03/115,345.23 = 45,856.28/x
  3. Step 3: Cross multiply
    83,582.03x = 115,345.23 × 45,856.28
  4. Step 4: Simplify right side
    83,582.03x = 5,289,303,163.54
  5. Step 5: Solve for x
    x = 5,289,303,163.54/83,582.03
  6. Step 6: Final answer
    x = 63,282.78

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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.