Home / 107,979.90-161,973.63-29,096.02

Finding the Fourth Proportional to 107,979.90, 161,973.63 and 29,096.02

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Solution

The fourth proportional to 107,979.90, 161,973.63 and 29,096.02 is: 43,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,979.90 : 161,973.63 = 29,096.02 : x
  2. Step 2: Convert to fraction form
    107,979.90/161,973.63 = 29,096.02/x
  3. Step 3: Cross multiply
    107,979.90x = 161,973.63 × 29,096.02
  4. Step 4: Simplify right side
    107,979.90x = 4,712,787,977.95
  5. Step 5: Solve for x
    x = 4,712,787,977.95/107,979.90
  6. Step 6: Final answer
    x = 43,645.05

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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.