Home / 66,608.16-91,914.85-37,930.75

Finding the Fourth Proportional to 66,608.16, 91,914.85 and 37,930.75

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Solution

The fourth proportional to 66,608.16, 91,914.85 and 37,930.75 is: 52,341.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,608.16 : 91,914.85 = 37,930.75 : x
  2. Step 2: Convert to fraction form
    66,608.16/91,914.85 = 37,930.75/x
  3. Step 3: Cross multiply
    66,608.16x = 91,914.85 × 37,930.75
  4. Step 4: Simplify right side
    66,608.16x = 3,486,399,196.64
  5. Step 5: Solve for x
    x = 3,486,399,196.64/66,608.16
  6. Step 6: Final answer
    x = 52,341.92

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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.