Home / 55,229.13-76,213.53-31,352.58

Finding the Fourth Proportional to 55,229.13, 76,213.53 and 31,352.58

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Solution

The fourth proportional to 55,229.13, 76,213.53 and 31,352.58 is: 43,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,229.13 : 76,213.53 = 31,352.58 : x
  2. Step 2: Convert to fraction form
    55,229.13/76,213.53 = 31,352.58/x
  3. Step 3: Cross multiply
    55,229.13x = 76,213.53 × 31,352.58
  4. Step 4: Simplify right side
    55,229.13x = 2,389,490,796.41
  5. Step 5: Solve for x
    x = 2,389,490,796.41/55,229.13
  6. Step 6: Final answer
    x = 43,265.05

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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.