Home / 66,217.64-99,327.36-36,693.12

Finding the Fourth Proportional to 66,217.64, 99,327.36 and 36,693.12

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Solution

The fourth proportional to 66,217.64, 99,327.36 and 36,693.12 is: 55,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,217.64 : 99,327.36 = 36,693.12 : x
  2. Step 2: Convert to fraction form
    66,217.64/99,327.36 = 36,693.12/x
  3. Step 3: Cross multiply
    66,217.64x = 99,327.36 × 36,693.12
  4. Step 4: Simplify right side
    66,217.64x = 3,644,630,739.76
  5. Step 5: Solve for x
    x = 3,644,630,739.76/66,217.64
  6. Step 6: Final answer
    x = 55,040.18

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1.5x scale

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.