Home / 55,453.20-76,446.36-34,218.24

Finding the Fourth Proportional to 55,453.20, 76,446.36 and 34,218.24

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Solution

The fourth proportional to 55,453.20, 76,446.36 and 34,218.24 is: 47,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,453.20 : 76,446.36 = 34,218.24 : x
  2. Step 2: Convert to fraction form
    55,453.20/76,446.36 = 34,218.24/x
  3. Step 3: Cross multiply
    55,453.20x = 76,446.36 × 34,218.24
  4. Step 4: Simplify right side
    55,453.20x = 2,615,859,893.61
  5. Step 5: Solve for x
    x = 2,615,859,893.61/55,453.20
  6. Step 6: Final answer
    x = 47,172.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.