Home / 66,296.20-99,476.70-31,229.80

Finding the Fourth Proportional to 66,296.20, 99,476.70 and 31,229.80

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Solution

The fourth proportional to 66,296.20, 99,476.70 and 31,229.80 is: 46,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,296.20 : 99,476.70 = 31,229.80 : x
  2. Step 2: Convert to fraction form
    66,296.20/99,476.70 = 31,229.80/x
  3. Step 3: Cross multiply
    66,296.20x = 99,476.70 × 31,229.80
  4. Step 4: Simplify right side
    66,296.20x = 3,106,637,445.66
  5. Step 5: Solve for x
    x = 3,106,637,445.66/66,296.20
  6. Step 6: Final answer
    x = 46,859.96

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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.