Home / 57,613.36-79,521.24-37,520.32

Finding the Fourth Proportional to 57,613.36, 79,521.24 and 37,520.32

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Solution

The fourth proportional to 57,613.36, 79,521.24 and 37,520.32 is: 51,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,613.36 : 79,521.24 = 37,520.32 : x
  2. Step 2: Convert to fraction form
    57,613.36/79,521.24 = 37,520.32/x
  3. Step 3: Cross multiply
    57,613.36x = 79,521.24 × 37,520.32
  4. Step 4: Simplify right side
    57,613.36x = 2,983,662,371.60
  5. Step 5: Solve for x
    x = 2,983,662,371.60/57,613.36
  6. Step 6: Final answer
    x = 51,787.68

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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.