Home / 66,118.40-99,234.30-26,703.80

Finding the Fourth Proportional to 66,118.40, 99,234.30 and 26,703.80

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Solution

The fourth proportional to 66,118.40, 99,234.30 and 26,703.80 is: 40,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,118.40 : 99,234.30 = 26,703.80 : x
  2. Step 2: Convert to fraction form
    66,118.40/99,234.30 = 26,703.80/x
  3. Step 3: Cross multiply
    66,118.40x = 99,234.30 × 26,703.80
  4. Step 4: Simplify right side
    66,118.40x = 2,649,932,900.34
  5. Step 5: Solve for x
    x = 2,649,932,900.34/66,118.40
  6. Step 6: Final answer
    x = 40,078.60

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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.