Home / 106,581.15-159,871.74-54,005.67

Finding the Fourth Proportional to 106,581.15, 159,871.74 and 54,005.67

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Solution

The fourth proportional to 106,581.15, 159,871.74 and 54,005.67 is: 81,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,581.15 : 159,871.74 = 54,005.67 : x
  2. Step 2: Convert to fraction form
    106,581.15/159,871.74 = 54,005.67/x
  3. Step 3: Cross multiply
    106,581.15x = 159,871.74 × 54,005.67
  4. Step 4: Simplify right side
    106,581.15x = 8,633,980,432.77
  5. Step 5: Solve for x
    x = 8,633,980,432.77/106,581.15
  6. Step 6: Final answer
    x = 81,008.51

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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.