Home / 107,712.59-161,493.93-47,708.48

Finding the Fourth Proportional to 107,712.59, 161,493.93 and 47,708.48

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Solution

The fourth proportional to 107,712.59, 161,493.93 and 47,708.48 is: 71,529.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,712.59 : 161,493.93 = 47,708.48 : x
  2. Step 2: Convert to fraction form
    107,712.59/161,493.93 = 47,708.48/x
  3. Step 3: Cross multiply
    107,712.59x = 161,493.93 × 47,708.48
  4. Step 4: Simplify right side
    107,712.59x = 7,704,630,333.26
  5. Step 5: Solve for x
    x = 7,704,630,333.26/107,712.59
  6. Step 6: Final answer
    x = 71,529.53

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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.