Home / 107,170.96-147,904.82-59,439.68

Finding the Fourth Proportional to 107,170.96, 147,904.82 and 59,439.68

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Solution

The fourth proportional to 107,170.96, 147,904.82 and 59,439.68 is: 82,031.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,170.96 : 147,904.82 = 59,439.68 : x
  2. Step 2: Convert to fraction form
    107,170.96/147,904.82 = 59,439.68/x
  3. Step 3: Cross multiply
    107,170.96x = 147,904.82 × 59,439.68
  4. Step 4: Simplify right side
    107,170.96x = 8,791,415,171.26
  5. Step 5: Solve for x
    x = 8,791,415,171.26/107,170.96
  6. Step 6: Final answer
    x = 82,031.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.