Home / 78,102.03-117,059.18-35,924.02

Finding the Fourth Proportional to 78,102.03, 117,059.18 and 35,924.02

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Solution

The fourth proportional to 78,102.03, 117,059.18 and 35,924.02 is: 53,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,102.03 : 117,059.18 = 35,924.02 : x
  2. Step 2: Convert to fraction form
    78,102.03/117,059.18 = 35,924.02/x
  3. Step 3: Cross multiply
    78,102.03x = 117,059.18 × 35,924.02
  4. Step 4: Simplify right side
    78,102.03x = 4,205,235,851.24
  5. Step 5: Solve for x
    x = 4,205,235,851.24/78,102.03
  6. Step 6: Final answer
    x = 53,842.85

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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.