Home / 106,018.86-159,027.97-42,838.24

Finding the Fourth Proportional to 106,018.86, 159,027.97 and 42,838.24

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Solution

The fourth proportional to 106,018.86, 159,027.97 and 42,838.24 is: 64,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,018.86 : 159,027.97 = 42,838.24 : x
  2. Step 2: Convert to fraction form
    106,018.86/159,027.97 = 42,838.24/x
  3. Step 3: Cross multiply
    106,018.86x = 159,027.97 × 42,838.24
  4. Step 4: Simplify right side
    106,018.86x = 6,812,478,345.57
  5. Step 5: Solve for x
    x = 6,812,478,345.57/106,018.86
  6. Step 6: Final answer
    x = 64,257.23

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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.