Home / 58,579.44-87,780.48-38,787.12

Finding the Fourth Proportional to 58,579.44, 87,780.48 and 38,787.12

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Solution

The fourth proportional to 58,579.44, 87,780.48 and 38,787.12 is: 58,121.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,579.44 : 87,780.48 = 38,787.12 : x
  2. Step 2: Convert to fraction form
    58,579.44/87,780.48 = 38,787.12/x
  3. Step 3: Cross multiply
    58,579.44x = 87,780.48 × 38,787.12
  4. Step 4: Simplify right side
    58,579.44x = 3,404,752,011.42
  5. Step 5: Solve for x
    x = 3,404,752,011.42/58,579.44
  6. Step 6: Final answer
    x = 58,121.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.