Home / 65,367.47-98,051.22-20,997.83

Finding the Fourth Proportional to 65,367.47, 98,051.22 and 20,997.83

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Solution

The fourth proportional to 65,367.47, 98,051.22 and 20,997.83 is: 31,496.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,367.47 : 98,051.22 = 20,997.83 : x
  2. Step 2: Convert to fraction form
    65,367.47/98,051.22 = 20,997.83/x
  3. Step 3: Cross multiply
    65,367.47x = 98,051.22 × 20,997.83
  4. Step 4: Simplify right side
    65,367.47x = 2,058,862,358.60
  5. Step 5: Solve for x
    x = 2,058,862,358.60/65,367.47
  6. Step 6: Final answer
    x = 31,496.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.