Home / 66,214.50-91,377.80-36,001.85

Finding the Fourth Proportional to 66,214.50, 91,377.80 and 36,001.85

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Solution

The fourth proportional to 66,214.50, 91,377.80 and 36,001.85 is: 49,683.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,214.50 : 91,377.80 = 36,001.85 : x
  2. Step 2: Convert to fraction form
    66,214.50/91,377.80 = 36,001.85/x
  3. Step 3: Cross multiply
    66,214.50x = 91,377.80 × 36,001.85
  4. Step 4: Simplify right side
    66,214.50x = 3,289,769,212.03
  5. Step 5: Solve for x
    x = 3,289,769,212.03/66,214.50
  6. Step 6: Final answer
    x = 49,683.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.