Home / 69,135.16-103,764.55-35,424.18

Finding the Fourth Proportional to 69,135.16, 103,764.55 and 35,424.18

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Solution

The fourth proportional to 69,135.16, 103,764.55 and 35,424.18 is: 53,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,135.16 : 103,764.55 = 35,424.18 : x
  2. Step 2: Convert to fraction form
    69,135.16/103,764.55 = 35,424.18/x
  3. Step 3: Cross multiply
    69,135.16x = 103,764.55 × 35,424.18
  4. Step 4: Simplify right side
    69,135.16x = 3,675,773,578.00
  5. Step 5: Solve for x
    x = 3,675,773,578.00/69,135.16
  6. Step 6: Final answer
    x = 53,167.93

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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.