Home / 103,690.16-155,559.96-33,569.49

Finding the Fourth Proportional to 103,690.16, 155,559.96 and 33,569.49

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Solution

The fourth proportional to 103,690.16, 155,559.96 and 33,569.49 is: 50,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690.16 : 155,559.96 = 33,569.49 : x
  2. Step 2: Convert to fraction form
    103,690.16/155,559.96 = 33,569.49/x
  3. Step 3: Cross multiply
    103,690.16x = 155,559.96 × 33,569.49
  4. Step 4: Simplify right side
    103,690.16x = 5,222,068,521.62
  5. Step 5: Solve for x
    x = 5,222,068,521.62/103,690.16
  6. Step 6: Final answer
    x = 50,362.24

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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.