Home / 65,239.44-90,022.02-38,372.15

Finding the Fourth Proportional to 65,239.44, 90,022.02 and 38,372.15

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Solution

The fourth proportional to 65,239.44, 90,022.02 and 38,372.15 is: 52,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,239.44 : 90,022.02 = 38,372.15 : x
  2. Step 2: Convert to fraction form
    65,239.44/90,022.02 = 38,372.15/x
  3. Step 3: Cross multiply
    65,239.44x = 90,022.02 × 38,372.15
  4. Step 4: Simplify right side
    65,239.44x = 3,454,338,004.63
  5. Step 5: Solve for x
    x = 3,454,338,004.63/65,239.44
  6. Step 6: Final answer
    x = 52,948.62

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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.