Home / 106,039.32-159,020.01-31,140.24

Finding the Fourth Proportional to 106,039.32, 159,020.01 and 31,140.24

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Solution

The fourth proportional to 106,039.32, 159,020.01 and 31,140.24 is: 46,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,039.32 : 159,020.01 = 31,140.24 : x
  2. Step 2: Convert to fraction form
    106,039.32/159,020.01 = 31,140.24/x
  3. Step 3: Cross multiply
    106,039.32x = 159,020.01 × 31,140.24
  4. Step 4: Simplify right side
    106,039.32x = 4,951,921,276.20
  5. Step 5: Solve for x
    x = 4,951,921,276.20/106,039.32
  6. Step 6: Final answer
    x = 46,698.92

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1.5x scale

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.