Home / 120,062.40-180,102.58-35,815.92

Finding the Fourth Proportional to 120,062.40, 180,102.58 and 35,815.92

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Solution

The fourth proportional to 120,062.40, 180,102.58 and 35,815.92 is: 53,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,062.40 : 180,102.58 = 35,815.92 : x
  2. Step 2: Convert to fraction form
    120,062.40/180,102.58 = 35,815.92/x
  3. Step 3: Cross multiply
    120,062.40x = 180,102.58 × 35,815.92
  4. Step 4: Simplify right side
    120,062.40x = 6,450,539,597.07
  5. Step 5: Solve for x
    x = 6,450,539,597.07/120,062.40
  6. Step 6: Final answer
    x = 53,726.56

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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.