Home / 55,642.48-83,446.10-18,193.90

Finding the Fourth Proportional to 55,642.48, 83,446.10 and 18,193.90

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Solution

The fourth proportional to 55,642.48, 83,446.10 and 18,193.90 is: 27,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,642.48 : 83,446.10 = 18,193.90 : x
  2. Step 2: Convert to fraction form
    55,642.48/83,446.10 = 18,193.90/x
  3. Step 3: Cross multiply
    55,642.48x = 83,446.10 × 18,193.90
  4. Step 4: Simplify right side
    55,642.48x = 1,518,209,998.79
  5. Step 5: Solve for x
    x = 1,518,209,998.79/55,642.48
  6. Step 6: Final answer
    x = 27,285.09

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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.