Home / 57,310.20-85,965.30-37,381.16

Finding the Fourth Proportional to 57,310.20, 85,965.30 and 37,381.16

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Solution

The fourth proportional to 57,310.20, 85,965.30 and 37,381.16 is: 56,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,310.20 : 85,965.30 = 37,381.16 : x
  2. Step 2: Convert to fraction form
    57,310.20/85,965.30 = 37,381.16/x
  3. Step 3: Cross multiply
    57,310.20x = 85,965.30 × 37,381.16
  4. Step 4: Simplify right side
    57,310.20x = 3,213,482,848.66
  5. Step 5: Solve for x
    x = 3,213,482,848.66/57,310.20
  6. Step 6: Final answer
    x = 56,071.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.