Home / 57,367.16-79,161.98-31,874.30

Finding the Fourth Proportional to 57,367.16, 79,161.98 and 31,874.30

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Solution

The fourth proportional to 57,367.16, 79,161.98 and 31,874.30 is: 43,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,367.16 : 79,161.98 = 31,874.30 : x
  2. Step 2: Convert to fraction form
    57,367.16/79,161.98 = 31,874.30/x
  3. Step 3: Cross multiply
    57,367.16x = 79,161.98 × 31,874.30
  4. Step 4: Simplify right side
    57,367.16x = 2,523,232,699.11
  5. Step 5: Solve for x
    x = 2,523,232,699.11/57,367.16
  6. Step 6: Final answer
    x = 43,983.92

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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.