Home / 57,234.91-79,000.65-34,570.30

Finding the Fourth Proportional to 57,234.91, 79,000.65 and 34,570.30

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Solution

The fourth proportional to 57,234.91, 79,000.65 and 34,570.30 is: 47,716.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,234.91 : 79,000.65 = 34,570.30 : x
  2. Step 2: Convert to fraction form
    57,234.91/79,000.65 = 34,570.30/x
  3. Step 3: Cross multiply
    57,234.91x = 79,000.65 × 34,570.30
  4. Step 4: Simplify right side
    57,234.91x = 2,731,076,170.70
  5. Step 5: Solve for x
    x = 2,731,076,170.70/57,234.91
  6. Step 6: Final answer
    x = 47,716.96

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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.