Home / 66,126.30-99,169.98-36,106.08

Finding the Fourth Proportional to 66,126.30, 99,169.98 and 36,106.08

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Solution

The fourth proportional to 66,126.30, 99,169.98 and 36,106.08 is: 54,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,126.30 : 99,169.98 = 36,106.08 : x
  2. Step 2: Convert to fraction form
    66,126.30/99,169.98 = 36,106.08/x
  3. Step 3: Cross multiply
    66,126.30x = 99,169.98 × 36,106.08
  4. Step 4: Simplify right side
    66,126.30x = 3,580,639,231.48
  5. Step 5: Solve for x
    x = 3,580,639,231.48/66,126.30
  6. Step 6: Final answer
    x = 54,148.49

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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.