Home / 80,759.77-121,166.63-35,775.02

Finding the Fourth Proportional to 80,759.77, 121,166.63 and 35,775.02

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Solution

The fourth proportional to 80,759.77, 121,166.63 and 35,775.02 is: 53,674.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,759.77 : 121,166.63 = 35,775.02 : x
  2. Step 2: Convert to fraction form
    80,759.77/121,166.63 = 35,775.02/x
  3. Step 3: Cross multiply
    80,759.77x = 121,166.63 × 35,775.02
  4. Step 4: Simplify right side
    80,759.77x = 4,334,738,701.02
  5. Step 5: Solve for x
    x = 4,334,738,701.02/80,759.77
  6. Step 6: Final answer
    x = 53,674.48

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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.