Home / 106,053.99-159,108.32-31,176.58

Finding the Fourth Proportional to 106,053.99, 159,108.32 and 31,176.58

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Solution

The fourth proportional to 106,053.99, 159,108.32 and 31,176.58 is: 46,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,053.99 : 159,108.32 = 31,176.58 : x
  2. Step 2: Convert to fraction form
    106,053.99/159,108.32 = 31,176.58/x
  3. Step 3: Cross multiply
    106,053.99x = 159,108.32 × 31,176.58
  4. Step 4: Simplify right side
    106,053.99x = 4,960,452,947.32
  5. Step 5: Solve for x
    x = 4,960,452,947.32/106,053.99
  6. Step 6: Final answer
    x = 46,772.90

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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.