Home / 107,690.82-161,610.04-37,570.13

Finding the Fourth Proportional to 107,690.82, 161,610.04 and 37,570.13

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Solution

The fourth proportional to 107,690.82, 161,610.04 and 37,570.13 is: 56,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,690.82 : 161,610.04 = 37,570.13 : x
  2. Step 2: Convert to fraction form
    107,690.82/161,610.04 = 37,570.13/x
  3. Step 3: Cross multiply
    107,690.82x = 161,610.04 × 37,570.13
  4. Step 4: Simplify right side
    107,690.82x = 6,071,710,212.11
  5. Step 5: Solve for x
    x = 6,071,710,212.11/107,690.82
  6. Step 6: Final answer
    x = 56,380.95

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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.