Home / 55,212.33-76,195.31-31,341.23

Finding the Fourth Proportional to 55,212.33, 76,195.31 and 31,341.23

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Solution

The fourth proportional to 55,212.33, 76,195.31 and 31,341.23 is: 43,252.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,212.33 : 76,195.31 = 31,341.23 : x
  2. Step 2: Convert to fraction form
    55,212.33/76,195.31 = 31,341.23/x
  3. Step 3: Cross multiply
    55,212.33x = 76,195.31 × 31,341.23
  4. Step 4: Simplify right side
    55,212.33x = 2,388,054,197.95
  5. Step 5: Solve for x
    x = 2,388,054,197.95/55,212.33
  6. Step 6: Final answer
    x = 43,252.19

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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.