Home / 57,664.20-86,496.30-36,031.80

Finding the Fourth Proportional to 57,664.20, 86,496.30 and 36,031.80

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Solution

The fourth proportional to 57,664.20, 86,496.30 and 36,031.80 is: 54,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,664.20 : 86,496.30 = 36,031.80 : x
  2. Step 2: Convert to fraction form
    57,664.20/86,496.30 = 36,031.80/x
  3. Step 3: Cross multiply
    57,664.20x = 86,496.30 × 36,031.80
  4. Step 4: Simplify right side
    57,664.20x = 3,116,617,382.34
  5. Step 5: Solve for x
    x = 3,116,617,382.34/57,664.20
  6. Step 6: Final answer
    x = 54,047.70

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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.