Home / 43,079.22-64,606.35-16,778.10

Finding the Fourth Proportional to 43,079.22, 64,606.35 and 16,778.10

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Solution

The fourth proportional to 43,079.22, 64,606.35 and 16,778.10 is: 25,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,079.22 : 64,606.35 = 16,778.10 : x
  2. Step 2: Convert to fraction form
    43,079.22/64,606.35 = 16,778.10/x
  3. Step 3: Cross multiply
    43,079.22x = 64,606.35 × 16,778.10
  4. Step 4: Simplify right side
    43,079.22x = 1,083,971,800.94
  5. Step 5: Solve for x
    x = 1,083,971,800.94/43,079.22
  6. Step 6: Final answer
    x = 25,162.29

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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.