Home / 106,434.96-159,675.93-31,561.08

Finding the Fourth Proportional to 106,434.96, 159,675.93 and 31,561.08

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Solution

The fourth proportional to 106,434.96, 159,675.93 and 31,561.08 is: 47,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,434.96 : 159,675.93 = 31,561.08 : x
  2. Step 2: Convert to fraction form
    106,434.96/159,675.93 = 31,561.08/x
  3. Step 3: Cross multiply
    106,434.96x = 159,675.93 × 31,561.08
  4. Step 4: Simplify right side
    106,434.96x = 5,039,544,800.80
  5. Step 5: Solve for x
    x = 5,039,544,800.80/106,434.96
  6. Step 6: Final answer
    x = 47,348.59

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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.