Home / 106,327.48-159,485.92-39,762.72

Finding the Fourth Proportional to 106,327.48, 159,485.92 and 39,762.72

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Solution

The fourth proportional to 106,327.48, 159,485.92 and 39,762.72 is: 59,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,327.48 : 159,485.92 = 39,762.72 : x
  2. Step 2: Convert to fraction form
    106,327.48/159,485.92 = 39,762.72/x
  3. Step 3: Cross multiply
    106,327.48x = 159,485.92 × 39,762.72
  4. Step 4: Simplify right side
    106,327.48x = 6,341,593,432.53
  5. Step 5: Solve for x
    x = 6,341,593,432.53/106,327.48
  6. Step 6: Final answer
    x = 59,642.09

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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.