Home / 55,822.10-83,645.60-47,467.76

Finding the Fourth Proportional to 55,822.10, 83,645.60 and 47,467.76

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Solution

The fourth proportional to 55,822.10, 83,645.60 and 47,467.76 is: 71,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,822.10 : 83,645.60 = 47,467.76 : x
  2. Step 2: Convert to fraction form
    55,822.10/83,645.60 = 47,467.76/x
  3. Step 3: Cross multiply
    55,822.10x = 83,645.60 × 47,467.76
  4. Step 4: Simplify right side
    55,822.10x = 3,970,468,610.29
  5. Step 5: Solve for x
    x = 3,970,468,610.29/55,822.10
  6. Step 6: Final answer
    x = 71,127.19

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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.