Home / 66,024.72-91,120.34-37,724.92

Finding the Fourth Proportional to 66,024.72, 91,120.34 and 37,724.92

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Solution

The fourth proportional to 66,024.72, 91,120.34 and 37,724.92 is: 52,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,024.72 : 91,120.34 = 37,724.92 : x
  2. Step 2: Convert to fraction form
    66,024.72/91,120.34 = 37,724.92/x
  3. Step 3: Cross multiply
    66,024.72x = 91,120.34 × 37,724.92
  4. Step 4: Simplify right side
    66,024.72x = 3,437,507,536.87
  5. Step 5: Solve for x
    x = 3,437,507,536.87/66,024.72
  6. Step 6: Final answer
    x = 52,063.95

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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.