Home / 57,336.66-79,064.10-40,335.30

Finding the Fourth Proportional to 57,336.66, 79,064.10 and 40,335.30

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Solution

The fourth proportional to 57,336.66, 79,064.10 and 40,335.30 is: 55,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,336.66 : 79,064.10 = 40,335.30 : x
  2. Step 2: Convert to fraction form
    57,336.66/79,064.10 = 40,335.30/x
  3. Step 3: Cross multiply
    57,336.66x = 79,064.10 × 40,335.30
  4. Step 4: Simplify right side
    57,336.66x = 3,189,074,192.73
  5. Step 5: Solve for x
    x = 3,189,074,192.73/57,336.66
  6. Step 6: Final answer
    x = 55,620.16

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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.