Home / 107,979.42-162,015.91-58,001.21

Finding the Fourth Proportional to 107,979.42, 162,015.91 and 58,001.21

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Solution

The fourth proportional to 107,979.42, 162,015.91 and 58,001.21 is: 87,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,979.42 : 162,015.91 = 58,001.21 : x
  2. Step 2: Convert to fraction form
    107,979.42/162,015.91 = 58,001.21/x
  3. Step 3: Cross multiply
    107,979.42x = 162,015.91 × 58,001.21
  4. Step 4: Simplify right side
    107,979.42x = 9,397,117,864.17
  5. Step 5: Solve for x
    x = 9,397,117,864.17/107,979.42
  6. Step 6: Final answer
    x = 87,026.93

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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.