Home / 65,917.74-90,972.07-37,242.67

Finding the Fourth Proportional to 65,917.74, 90,972.07 and 37,242.67

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Solution

The fourth proportional to 65,917.74, 90,972.07 and 37,242.67 is: 51,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,917.74 : 90,972.07 = 37,242.67 : x
  2. Step 2: Convert to fraction form
    65,917.74/90,972.07 = 37,242.67/x
  3. Step 3: Cross multiply
    65,917.74x = 90,972.07 × 37,242.67
  4. Step 4: Simplify right side
    65,917.74x = 3,388,042,841.75
  5. Step 5: Solve for x
    x = 3,388,042,841.75/65,917.74
  6. Step 6: Final answer
    x = 51,398.04

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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.