Home / 66,214.25-91,377.45-36,001.60

Finding the Fourth Proportional to 66,214.25, 91,377.45 and 36,001.60

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Solution

The fourth proportional to 66,214.25, 91,377.45 and 36,001.60 is: 49,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,214.25 : 91,377.45 = 36,001.60 : x
  2. Step 2: Convert to fraction form
    66,214.25/91,377.45 = 36,001.60/x
  3. Step 3: Cross multiply
    66,214.25x = 91,377.45 × 36,001.60
  4. Step 4: Simplify right side
    66,214.25x = 3,289,733,947.03
  5. Step 5: Solve for x
    x = 3,289,733,947.03/66,214.25
  6. Step 6: Final answer
    x = 49,683.18

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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.