Home / 55,233.26-76,219.17-31,356.80

Finding the Fourth Proportional to 55,233.26, 76,219.17 and 31,356.80

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Solution

The fourth proportional to 55,233.26, 76,219.17 and 31,356.80 is: 43,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,233.26 : 76,219.17 = 31,356.80 : x
  2. Step 2: Convert to fraction form
    55,233.26/76,219.17 = 31,356.80/x
  3. Step 3: Cross multiply
    55,233.26x = 76,219.17 × 31,356.80
  4. Step 4: Simplify right side
    55,233.26x = 2,389,988,888.76
  5. Step 5: Solve for x
    x = 2,389,988,888.76/55,233.26
  6. Step 6: Final answer
    x = 43,270.83

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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.