Home / 69,417.32-103,974.78-36,036.68

Finding the Fourth Proportional to 69,417.32, 103,974.78 and 36,036.68

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Solution

The fourth proportional to 69,417.32, 103,974.78 and 36,036.68 is: 53,976.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,417.32 : 103,974.78 = 36,036.68 : x
  2. Step 2: Convert to fraction form
    69,417.32/103,974.78 = 36,036.68/x
  3. Step 3: Cross multiply
    69,417.32x = 103,974.78 × 36,036.68
  4. Step 4: Simplify right side
    69,417.32x = 3,746,905,874.93
  5. Step 5: Solve for x
    x = 3,746,905,874.93/69,417.32
  6. Step 6: Final answer
    x = 53,976.53

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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.