Home / 106,355.81-159,595.73-39,842.66

Finding the Fourth Proportional to 106,355.81, 159,595.73 and 39,842.66

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Solution

The fourth proportional to 106,355.81, 159,595.73 and 39,842.66 is: 59,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,355.81 : 159,595.73 = 39,842.66 : x
  2. Step 2: Convert to fraction form
    106,355.81/159,595.73 = 39,842.66/x
  3. Step 3: Cross multiply
    106,355.81x = 159,595.73 × 39,842.66
  4. Step 4: Simplify right side
    106,355.81x = 6,358,718,407.84
  5. Step 5: Solve for x
    x = 6,358,718,407.84/106,355.81
  6. Step 6: Final answer
    x = 59,787.22

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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.