Home / 107,738.29-161,607.48-51,565.18

Finding the Fourth Proportional to 107,738.29, 161,607.48 and 51,565.18

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Solution

The fourth proportional to 107,738.29, 161,607.48 and 51,565.18 is: 77,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,738.29 : 161,607.48 = 51,565.18 : x
  2. Step 2: Convert to fraction form
    107,738.29/161,607.48 = 51,565.18/x
  3. Step 3: Cross multiply
    107,738.29x = 161,607.48 × 51,565.18
  4. Step 4: Simplify right side
    107,738.29x = 8,333,318,795.55
  5. Step 5: Solve for x
    x = 8,333,318,795.55/107,738.29
  6. Step 6: Final answer
    x = 77,347.79

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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.