Home / 65,900.82-90,927.45-37,221.06

Finding the Fourth Proportional to 65,900.82, 90,927.45 and 37,221.06

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Solution

The fourth proportional to 65,900.82, 90,927.45 and 37,221.06 is: 51,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,900.82 : 90,927.45 = 37,221.06 : x
  2. Step 2: Convert to fraction form
    65,900.82/90,927.45 = 37,221.06/x
  3. Step 3: Cross multiply
    65,900.82x = 90,927.45 × 37,221.06
  4. Step 4: Simplify right side
    65,900.82x = 3,384,416,072.10
  5. Step 5: Solve for x
    x = 3,384,416,072.10/65,900.82
  6. Step 6: Final answer
    x = 51,356.21

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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.