Home / 89,438.85-134,219.78-36,848.33

Finding the Fourth Proportional to 89,438.85, 134,219.78 and 36,848.33

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Solution

The fourth proportional to 89,438.85, 134,219.78 and 36,848.33 is: 55,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,438.85 : 134,219.78 = 36,848.33 : x
  2. Step 2: Convert to fraction form
    89,438.85/134,219.78 = 36,848.33/x
  3. Step 3: Cross multiply
    89,438.85x = 134,219.78 × 36,848.33
  4. Step 4: Simplify right side
    89,438.85x = 4,945,774,561.73
  5. Step 5: Solve for x
    x = 4,945,774,561.73/89,438.85
  6. Step 6: Final answer
    x = 55,297.84

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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.