Home / 66,169.32-91,307.70-37,877.64

Finding the Fourth Proportional to 66,169.32, 91,307.70 and 37,877.64

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Solution

The fourth proportional to 66,169.32, 91,307.70 and 37,877.64 is: 52,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,169.32 : 91,307.70 = 37,877.64 : x
  2. Step 2: Convert to fraction form
    66,169.32/91,307.70 = 37,877.64/x
  3. Step 3: Cross multiply
    66,169.32x = 91,307.70 × 37,877.64
  4. Step 4: Simplify right side
    66,169.32x = 3,458,520,189.83
  5. Step 5: Solve for x
    x = 3,458,520,189.83/66,169.32
  6. Step 6: Final answer
    x = 52,267.73

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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.