Home / 106,774.40-159,985.68-36,615.20

Finding the Fourth Proportional to 106,774.40, 159,985.68 and 36,615.20

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Solution

The fourth proportional to 106,774.40, 159,985.68 and 36,615.20 is: 54,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,774.40 : 159,985.68 = 36,615.20 : x
  2. Step 2: Convert to fraction form
    106,774.40/159,985.68 = 36,615.20/x
  3. Step 3: Cross multiply
    106,774.40x = 159,985.68 × 36,615.20
  4. Step 4: Simplify right side
    106,774.40x = 5,857,907,670.34
  5. Step 5: Solve for x
    x = 5,857,907,670.34/106,774.40
  6. Step 6: Final answer
    x = 54,862.47

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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.