Home / 58,081.31-80,180.36-38,954.09

Finding the Fourth Proportional to 58,081.31, 80,180.36 and 38,954.09

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Solution

The fourth proportional to 58,081.31, 80,180.36 and 38,954.09 is: 53,775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,081.31 : 80,180.36 = 38,954.09 : x
  2. Step 2: Convert to fraction form
    58,081.31/80,180.36 = 38,954.09/x
  3. Step 3: Cross multiply
    58,081.31x = 80,180.36 × 38,954.09
  4. Step 4: Simplify right side
    58,081.31x = 3,123,352,364.00
  5. Step 5: Solve for x
    x = 3,123,352,364.00/58,081.31
  6. Step 6: Final answer
    x = 53,775.52

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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.