Home / 83,145.83-124,749.73-49,889.76

Finding the Fourth Proportional to 83,145.83, 124,749.73 and 49,889.76

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Solution

The fourth proportional to 83,145.83, 124,749.73 and 49,889.76 is: 74,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,145.83 : 124,749.73 = 49,889.76 : x
  2. Step 2: Convert to fraction form
    83,145.83/124,749.73 = 49,889.76/x
  3. Step 3: Cross multiply
    83,145.83x = 124,749.73 × 49,889.76
  4. Step 4: Simplify right side
    83,145.83x = 6,223,734,807.05
  5. Step 5: Solve for x
    x = 6,223,734,807.05/83,145.83
  6. Step 6: Final answer
    x = 74,853.24

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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.