Home / 65,947.10-90,997.22-37,259.12

Finding the Fourth Proportional to 65,947.10, 90,997.22 and 37,259.12

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Solution

The fourth proportional to 65,947.10, 90,997.22 and 37,259.12 is: 51,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,947.10 : 90,997.22 = 37,259.12 : x
  2. Step 2: Convert to fraction form
    65,947.10/90,997.22 = 37,259.12/x
  3. Step 3: Cross multiply
    65,947.10x = 90,997.22 × 37,259.12
  4. Step 4: Simplify right side
    65,947.10x = 3,390,476,660.29
  5. Step 5: Solve for x
    x = 3,390,476,660.29/65,947.10
  6. Step 6: Final answer
    x = 51,412.07

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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.