Home / 107,466.20-161,231.70-57,570.20

Finding the Fourth Proportional to 107,466.20, 161,231.70 and 57,570.20

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Solution

The fourth proportional to 107,466.20, 161,231.70 and 57,570.20 is: 86,372.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,466.20 : 161,231.70 = 57,570.20 : x
  2. Step 2: Convert to fraction form
    107,466.20/161,231.70 = 57,570.20/x
  3. Step 3: Cross multiply
    107,466.20x = 161,231.70 × 57,570.20
  4. Step 4: Simplify right side
    107,466.20x = 9,282,141,215.34
  5. Step 5: Solve for x
    x = 9,282,141,215.34/107,466.20
  6. Step 6: Final answer
    x = 86,372.66

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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.