Home / 55,202.88-76,177.34-31,326.30

Finding the Fourth Proportional to 55,202.88, 76,177.34 and 31,326.30

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Solution

The fourth proportional to 55,202.88, 76,177.34 and 31,326.30 is: 43,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,202.88 : 76,177.34 = 31,326.30 : x
  2. Step 2: Convert to fraction form
    55,202.88/76,177.34 = 31,326.30/x
  3. Step 3: Cross multiply
    55,202.88x = 76,177.34 × 31,326.30
  4. Step 4: Simplify right side
    55,202.88x = 2,386,354,206.04
  5. Step 5: Solve for x
    x = 2,386,354,206.04/55,202.88
  6. Step 6: Final answer
    x = 43,228.80

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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.