Home / 57,573.18-86,207.49-45,118.62

Finding the Fourth Proportional to 57,573.18, 86,207.49 and 45,118.62

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Solution

The fourth proportional to 57,573.18, 86,207.49 and 45,118.62 is: 67,558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,573.18 : 86,207.49 = 45,118.62 : x
  2. Step 2: Convert to fraction form
    57,573.18/86,207.49 = 45,118.62/x
  3. Step 3: Cross multiply
    57,573.18x = 86,207.49 × 45,118.62
  4. Step 4: Simplify right side
    57,573.18x = 3,889,562,982.46
  5. Step 5: Solve for x
    x = 3,889,562,982.46/57,573.18
  6. Step 6: Final answer
    x = 67,558.59

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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.