Home / 76,116.48-114,243.98-40,607.90

Finding the Fourth Proportional to 76,116.48, 114,243.98 and 40,607.90

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Solution

The fourth proportional to 76,116.48, 114,243.98 and 40,607.90 is: 60,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,116.48 : 114,243.98 = 40,607.90 : x
  2. Step 2: Convert to fraction form
    76,116.48/114,243.98 = 40,607.90/x
  3. Step 3: Cross multiply
    76,116.48x = 114,243.98 × 40,607.90
  4. Step 4: Simplify right side
    76,116.48x = 4,639,208,115.44
  5. Step 5: Solve for x
    x = 4,639,208,115.44/76,116.48
  6. Step 6: Final answer
    x = 60,948.80

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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.