Home / 106,424.34-159,639.90-39,851.82

Finding the Fourth Proportional to 106,424.34, 159,639.90 and 39,851.82

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Solution

The fourth proportional to 106,424.34, 159,639.90 and 39,851.82 is: 59,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,424.34 : 159,639.90 = 39,851.82 : x
  2. Step 2: Convert to fraction form
    106,424.34/159,639.90 = 39,851.82/x
  3. Step 3: Cross multiply
    106,424.34x = 159,639.90 × 39,851.82
  4. Step 4: Simplify right side
    106,424.34x = 6,361,940,559.62
  5. Step 5: Solve for x
    x = 6,361,940,559.62/106,424.34
  6. Step 6: Final answer
    x = 59,779.00

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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.