Home / 106,368.39-159,580.26-39,813.66

Finding the Fourth Proportional to 106,368.39, 159,580.26 and 39,813.66

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Solution

The fourth proportional to 106,368.39, 159,580.26 and 39,813.66 is: 59,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,368.39 : 159,580.26 = 39,813.66 : x
  2. Step 2: Convert to fraction form
    106,368.39/159,580.26 = 39,813.66/x
  3. Step 3: Cross multiply
    106,368.39x = 159,580.26 × 39,813.66
  4. Step 4: Simplify right side
    106,368.39x = 6,353,474,214.35
  5. Step 5: Solve for x
    x = 6,353,474,214.35/106,368.39
  6. Step 6: Final answer
    x = 59,730.85

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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.