Home / 106,462.12-159,747.36-70,947.76

Finding the Fourth Proportional to 106,462.12, 159,747.36 and 70,947.76

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Solution

The fourth proportional to 106,462.12, 159,747.36 and 70,947.76 is: 106,457.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,462.12 : 159,747.36 = 70,947.76 : x
  2. Step 2: Convert to fraction form
    106,462.12/159,747.36 = 70,947.76/x
  3. Step 3: Cross multiply
    106,462.12x = 159,747.36 × 70,947.76
  4. Step 4: Simplify right side
    106,462.12x = 11,333,717,357.91
  5. Step 5: Solve for x
    x = 11,333,717,357.91/106,462.12
  6. Step 6: Final answer
    x = 106,457.75

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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.