Home / 65,317.56-90,116.94-38,087.48

Finding the Fourth Proportional to 65,317.56, 90,116.94 and 38,087.48

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Solution

The fourth proportional to 65,317.56, 90,116.94 and 38,087.48 is: 52,548.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,317.56 : 90,116.94 = 38,087.48 : x
  2. Step 2: Convert to fraction form
    65,317.56/90,116.94 = 38,087.48/x
  3. Step 3: Cross multiply
    65,317.56x = 90,116.94 × 38,087.48
  4. Step 4: Simplify right side
    65,317.56x = 3,432,327,149.91
  5. Step 5: Solve for x
    x = 3,432,327,149.91/65,317.56
  6. Step 6: Final answer
    x = 52,548.31

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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.