Home / 107,981.17-162,018.54-58,002.96

Finding the Fourth Proportional to 107,981.17, 162,018.54 and 58,002.96

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Solution

The fourth proportional to 107,981.17, 162,018.54 and 58,002.96 is: 87,029.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,981.17 : 162,018.54 = 58,002.96 : x
  2. Step 2: Convert to fraction form
    107,981.17/162,018.54 = 58,002.96/x
  3. Step 3: Cross multiply
    107,981.17x = 162,018.54 × 58,002.96
  4. Step 4: Simplify right side
    107,981.17x = 9,397,553,794.77
  5. Step 5: Solve for x
    x = 9,397,553,794.77/107,981.17
  6. Step 6: Final answer
    x = 87,029.56

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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.