Home / 103,690.14-155,286.06-59,181.96

Finding the Fourth Proportional to 103,690.14, 155,286.06 and 59,181.96

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Solution

The fourth proportional to 103,690.14, 155,286.06 and 59,181.96 is: 88,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690.14 : 155,286.06 = 59,181.96 : x
  2. Step 2: Convert to fraction form
    103,690.14/155,286.06 = 59,181.96/x
  3. Step 3: Cross multiply
    103,690.14x = 155,286.06 × 59,181.96
  4. Step 4: Simplify right side
    103,690.14x = 9,190,133,391.48
  5. Step 5: Solve for x
    x = 9,190,133,391.48/103,690.14
  6. Step 6: Final answer
    x = 88,630.74

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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.