Home / 103,317.96-154,730.86-71,759.52

Finding the Fourth Proportional to 103,317.96, 154,730.86 and 71,759.52

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Solution

The fourth proportional to 103,317.96, 154,730.86 and 71,759.52 is: 107,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,317.96 : 154,730.86 = 71,759.52 : x
  2. Step 2: Convert to fraction form
    103,317.96/154,730.86 = 71,759.52/x
  3. Step 3: Cross multiply
    103,317.96x = 154,730.86 × 71,759.52
  4. Step 4: Simplify right side
    103,317.96x = 11,103,412,242.79
  5. Step 5: Solve for x
    x = 11,103,412,242.79/103,317.96
  6. Step 6: Final answer
    x = 107,468.37

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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.