Home / 76,389.85-114,587.88-36,388.27

Finding the Fourth Proportional to 76,389.85, 114,587.88 and 36,388.27

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Solution

The fourth proportional to 76,389.85, 114,587.88 and 36,388.27 is: 54,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,389.85 : 114,587.88 = 36,388.27 : x
  2. Step 2: Convert to fraction form
    76,389.85/114,587.88 = 36,388.27/x
  3. Step 3: Cross multiply
    76,389.85x = 114,587.88 × 36,388.27
  4. Step 4: Simplify right side
    76,389.85x = 4,169,653,961.29
  5. Step 5: Solve for x
    x = 4,169,653,961.29/76,389.85
  6. Step 6: Final answer
    x = 54,583.88

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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.