Home / 56,747.58-85,158.09-25,580.94

Finding the Fourth Proportional to 56,747.58, 85,158.09 and 25,580.94

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Solution

The fourth proportional to 56,747.58, 85,158.09 and 25,580.94 is: 38,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,747.58 : 85,158.09 = 25,580.94 : x
  2. Step 2: Convert to fraction form
    56,747.58/85,158.09 = 25,580.94/x
  3. Step 3: Cross multiply
    56,747.58x = 85,158.09 × 25,580.94
  4. Step 4: Simplify right side
    56,747.58x = 2,178,423,990.80
  5. Step 5: Solve for x
    x = 2,178,423,990.80/56,747.58
  6. Step 6: Final answer
    x = 38,387.96

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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.