Home / 106,127.65-159,219.14-31,245.35

Finding the Fourth Proportional to 106,127.65, 159,219.14 and 31,245.35

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Solution

The fourth proportional to 106,127.65, 159,219.14 and 31,245.35 is: 46,876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,127.65 : 159,219.14 = 31,245.35 : x
  2. Step 2: Convert to fraction form
    106,127.65/159,219.14 = 31,245.35/x
  3. Step 3: Cross multiply
    106,127.65x = 159,219.14 × 31,245.35
  4. Step 4: Simplify right side
    106,127.65x = 4,974,856,803.68
  5. Step 5: Solve for x
    x = 4,974,856,803.68/106,127.65
  6. Step 6: Final answer
    x = 46,876.16

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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.