Home / 106,848.88-147,451.44-58,451.20

Finding the Fourth Proportional to 106,848.88, 147,451.44 and 58,451.20

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Solution

The fourth proportional to 106,848.88, 147,451.44 and 58,451.20 is: 80,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,848.88 : 147,451.44 = 58,451.20 : x
  2. Step 2: Convert to fraction form
    106,848.88/147,451.44 = 58,451.20/x
  3. Step 3: Cross multiply
    106,848.88x = 147,451.44 × 58,451.20
  4. Step 4: Simplify right side
    106,848.88x = 8,618,713,609.73
  5. Step 5: Solve for x
    x = 8,618,713,609.73/106,848.88
  6. Step 6: Final answer
    x = 80,662.65

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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.