Home / 55,109.10-82,663.65-52,193.10

Finding the Fourth Proportional to 55,109.10, 82,663.65 and 52,193.10

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Solution

The fourth proportional to 55,109.10, 82,663.65 and 52,193.10 is: 78,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,109.10 : 82,663.65 = 52,193.10 : x
  2. Step 2: Convert to fraction form
    55,109.10/82,663.65 = 52,193.10/x
  3. Step 3: Cross multiply
    55,109.10x = 82,663.65 × 52,193.10
  4. Step 4: Simplify right side
    55,109.10x = 4,314,472,150.82
  5. Step 5: Solve for x
    x = 4,314,472,150.82/55,109.10
  6. Step 6: Final answer
    x = 78,289.65

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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.