Home / 106,065.76-159,098.58-31,186.52

Finding the Fourth Proportional to 106,065.76, 159,098.58 and 31,186.52

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Solution

The fourth proportional to 106,065.76, 159,098.58 and 31,186.52 is: 46,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,065.76 : 159,098.58 = 31,186.52 : x
  2. Step 2: Convert to fraction form
    106,065.76/159,098.58 = 31,186.52/x
  3. Step 3: Cross multiply
    106,065.76x = 159,098.58 × 31,186.52
  4. Step 4: Simplify right side
    106,065.76x = 4,961,731,047.14
  5. Step 5: Solve for x
    x = 4,961,731,047.14/106,065.76
  6. Step 6: Final answer
    x = 46,779.76

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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.