Home / 106,127.76-159,162.48-31,244.88

Finding the Fourth Proportional to 106,127.76, 159,162.48 and 31,244.88

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Solution

The fourth proportional to 106,127.76, 159,162.48 and 31,244.88 is: 46,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,127.76 : 159,162.48 = 31,244.88 : x
  2. Step 2: Convert to fraction form
    106,127.76/159,162.48 = 31,244.88/x
  3. Step 3: Cross multiply
    106,127.76x = 159,162.48 × 31,244.88
  4. Step 4: Simplify right side
    106,127.76x = 4,973,012,588.10
  5. Step 5: Solve for x
    x = 4,973,012,588.10/106,127.76
  6. Step 6: Final answer
    x = 46,858.74

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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.