Home / 69,708.69-103,982.40-62,981.85

Finding the Fourth Proportional to 69,708.69, 103,982.40 and 62,981.85

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Solution

The fourth proportional to 69,708.69, 103,982.40 and 62,981.85 is: 93,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,708.69 : 103,982.40 = 62,981.85 : x
  2. Step 2: Convert to fraction form
    69,708.69/103,982.40 = 62,981.85/x
  3. Step 3: Cross multiply
    69,708.69x = 103,982.40 × 62,981.85
  4. Step 4: Simplify right side
    69,708.69x = 6,549,003,919.44
  5. Step 5: Solve for x
    x = 6,549,003,919.44/69,708.69
  6. Step 6: Final answer
    x = 93,948.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.