Home / 106,409.33-159,637.35-31,535.34

Finding the Fourth Proportional to 106,409.33, 159,637.35 and 31,535.34

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Solution

The fourth proportional to 106,409.33, 159,637.35 and 31,535.34 is: 47,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,409.33 : 159,637.35 = 31,535.34 : x
  2. Step 2: Convert to fraction form
    106,409.33/159,637.35 = 31,535.34/x
  3. Step 3: Cross multiply
    106,409.33x = 159,637.35 × 31,535.34
  4. Step 4: Simplify right side
    106,409.33x = 5,034,218,349.14
  5. Step 5: Solve for x
    x = 5,034,218,349.14/106,409.33
  6. Step 6: Final answer
    x = 47,309.93

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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.