Home / 66,238.76-91,408.61-36,023.43

Finding the Fourth Proportional to 66,238.76, 91,408.61 and 36,023.43

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Solution

The fourth proportional to 66,238.76, 91,408.61 and 36,023.43 is: 49,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,238.76 : 91,408.61 = 36,023.43 : x
  2. Step 2: Convert to fraction form
    66,238.76/91,408.61 = 36,023.43/x
  3. Step 3: Cross multiply
    66,238.76x = 91,408.61 × 36,023.43
  4. Step 4: Simplify right side
    66,238.76x = 3,292,851,483.62
  5. Step 5: Solve for x
    x = 3,292,851,483.62/66,238.76
  6. Step 6: Final answer
    x = 49,711.85

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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.