Home / 55,243.66-76,237.14-31,370.98

Finding the Fourth Proportional to 55,243.66, 76,237.14 and 31,370.98

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Solution

The fourth proportional to 55,243.66, 76,237.14 and 31,370.98 is: 43,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,243.66 : 76,237.14 = 31,370.98 : x
  2. Step 2: Convert to fraction form
    55,243.66/76,237.14 = 31,370.98/x
  3. Step 3: Cross multiply
    55,243.66x = 76,237.14 × 31,370.98
  4. Step 4: Simplify right side
    55,243.66x = 2,391,633,794.20
  5. Step 5: Solve for x
    x = 2,391,633,794.20/55,243.66
  6. Step 6: Final answer
    x = 43,292.46

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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.