Home / 106,223.77-159,340.06-31,343.92

Finding the Fourth Proportional to 106,223.77, 159,340.06 and 31,343.92

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Solution

The fourth proportional to 106,223.77, 159,340.06 and 31,343.92 is: 47,017.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,223.77 : 159,340.06 = 31,343.92 : x
  2. Step 2: Convert to fraction form
    106,223.77/159,340.06 = 31,343.92/x
  3. Step 3: Cross multiply
    106,223.77x = 159,340.06 × 31,343.92
  4. Step 4: Simplify right side
    106,223.77x = 4,994,341,140.02
  5. Step 5: Solve for x
    x = 4,994,341,140.02/106,223.77
  6. Step 6: Final answer
    x = 47,017.17

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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.