Home / 106,098.90-159,158.74-38,649.26

Finding the Fourth Proportional to 106,098.90, 159,158.74 and 38,649.26

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Solution

The fourth proportional to 106,098.90, 159,158.74 and 38,649.26 is: 57,977.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,098.90 : 159,158.74 = 38,649.26 : x
  2. Step 2: Convert to fraction form
    106,098.90/159,158.74 = 38,649.26/x
  3. Step 3: Cross multiply
    106,098.90x = 159,158.74 × 38,649.26
  4. Step 4: Simplify right side
    106,098.90x = 6,151,367,523.53
  5. Step 5: Solve for x
    x = 6,151,367,523.53/106,098.90
  6. Step 6: Final answer
    x = 57,977.67

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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.