Home / 107,659.58-161,525.59-47,679.74

Finding the Fourth Proportional to 107,659.58, 161,525.59 and 47,679.74

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Solution

The fourth proportional to 107,659.58, 161,525.59 and 47,679.74 is: 71,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,659.58 : 161,525.59 = 47,679.74 : x
  2. Step 2: Convert to fraction form
    107,659.58/161,525.59 = 47,679.74/x
  3. Step 3: Cross multiply
    107,659.58x = 161,525.59 × 47,679.74
  4. Step 4: Simplify right side
    107,659.58x = 7,701,497,088.52
  5. Step 5: Solve for x
    x = 7,701,497,088.52/107,659.58
  6. Step 6: Final answer
    x = 71,535.64

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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.