Home / 106,327.17-159,485.45-39,762.40

Finding the Fourth Proportional to 106,327.17, 159,485.45 and 39,762.40

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Solution

The fourth proportional to 106,327.17, 159,485.45 and 39,762.40 is: 59,641.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,327.17 : 159,485.45 = 39,762.40 : x
  2. Step 2: Convert to fraction form
    106,327.17/159,485.45 = 39,762.40/x
  3. Step 3: Cross multiply
    106,327.17x = 159,485.45 × 39,762.40
  4. Step 4: Simplify right side
    106,327.17x = 6,341,524,257.08
  5. Step 5: Solve for x
    x = 6,341,524,257.08/106,327.17
  6. Step 6: Final answer
    x = 59,641.62

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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.