Home / 55,422.40-76,455.51-32,750.42

Finding the Fourth Proportional to 55,422.40, 76,455.51 and 32,750.42

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Solution

The fourth proportional to 55,422.40, 76,455.51 and 32,750.42 is: 45,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,422.40 : 76,455.51 = 32,750.42 : x
  2. Step 2: Convert to fraction form
    55,422.40/76,455.51 = 32,750.42/x
  3. Step 3: Cross multiply
    55,422.40x = 76,455.51 × 32,750.42
  4. Step 4: Simplify right side
    55,422.40x = 2,503,950,063.81
  5. Step 5: Solve for x
    x = 2,503,950,063.81/55,422.40
  6. Step 6: Final answer
    x = 45,179.39

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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.