Home / 55,056.48-82,498.68-40,197.12

Finding the Fourth Proportional to 55,056.48, 82,498.68 and 40,197.12

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Solution

The fourth proportional to 55,056.48, 82,498.68 and 40,197.12 is: 60,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,056.48 : 82,498.68 = 40,197.12 : x
  2. Step 2: Convert to fraction form
    55,056.48/82,498.68 = 40,197.12/x
  3. Step 3: Cross multiply
    55,056.48x = 82,498.68 × 40,197.12
  4. Step 4: Simplify right side
    55,056.48x = 3,316,209,339.80
  5. Step 5: Solve for x
    x = 3,316,209,339.80/55,056.48
  6. Step 6: Final answer
    x = 60,232.86

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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.