Home / 57,872.36-79,878.18-32,736.68

Finding the Fourth Proportional to 57,872.36, 79,878.18 and 32,736.68

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Solution

The fourth proportional to 57,872.36, 79,878.18 and 32,736.68 is: 45,184.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,872.36 : 79,878.18 = 32,736.68 : x
  2. Step 2: Convert to fraction form
    57,872.36/79,878.18 = 32,736.68/x
  3. Step 3: Cross multiply
    57,872.36x = 79,878.18 × 32,736.68
  4. Step 4: Simplify right side
    57,872.36x = 2,614,946,417.64
  5. Step 5: Solve for x
    x = 2,614,946,417.64/57,872.36
  6. Step 6: Final answer
    x = 45,184.72

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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.