Home / 55,226.88-76,210.38-31,350.42

Finding the Fourth Proportional to 55,226.88, 76,210.38 and 31,350.42

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Solution

The fourth proportional to 55,226.88, 76,210.38 and 31,350.42 is: 43,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,226.88 : 76,210.38 = 31,350.42 : x
  2. Step 2: Convert to fraction form
    55,226.88/76,210.38 = 31,350.42/x
  3. Step 3: Cross multiply
    55,226.88x = 76,210.38 × 31,350.42
  4. Step 4: Simplify right side
    55,226.88x = 2,389,227,421.36
  5. Step 5: Solve for x
    x = 2,389,227,421.36/55,226.88
  6. Step 6: Final answer
    x = 43,262.04

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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.