Home / 70,014.22-96,625.38-39,809.06

Finding the Fourth Proportional to 70,014.22, 96,625.38 and 39,809.06

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Solution

The fourth proportional to 70,014.22, 96,625.38 and 39,809.06 is: 54,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,014.22 : 96,625.38 = 39,809.06 : x
  2. Step 2: Convert to fraction form
    70,014.22/96,625.38 = 39,809.06/x
  3. Step 3: Cross multiply
    70,014.22x = 96,625.38 × 39,809.06
  4. Step 4: Simplify right side
    70,014.22x = 3,846,565,549.94
  5. Step 5: Solve for x
    x = 3,846,565,549.94/70,014.22
  6. Step 6: Final answer
    x = 54,939.78

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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.