Home / 65,782.00-90,777.09-37,110.43

Finding the Fourth Proportional to 65,782.00, 90,777.09 and 37,110.43

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Solution

The fourth proportional to 65,782.00, 90,777.09 and 37,110.43 is: 51,211.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,782.00 : 90,777.09 = 37,110.43 : x
  2. Step 2: Convert to fraction form
    65,782.00/90,777.09 = 37,110.43/x
  3. Step 3: Cross multiply
    65,782.00x = 90,777.09 × 37,110.43
  4. Step 4: Simplify right side
    65,782.00x = 3,368,776,617.11
  5. Step 5: Solve for x
    x = 3,368,776,617.11/65,782.00
  6. Step 6: Final answer
    x = 51,211.22

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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.