Home / 120,833.08-166,752.68-67,115.52

Finding the Fourth Proportional to 120,833.08, 166,752.68 and 67,115.52

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Solution

The fourth proportional to 120,833.08, 166,752.68 and 67,115.52 is: 92,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,833.08 : 166,752.68 = 67,115.52 : x
  2. Step 2: Convert to fraction form
    120,833.08/166,752.68 = 67,115.52/x
  3. Step 3: Cross multiply
    120,833.08x = 166,752.68 × 67,115.52
  4. Step 4: Simplify right side
    120,833.08x = 11,191,692,829.59
  5. Step 5: Solve for x
    x = 11,191,692,829.59/120,833.08
  6. Step 6: Final answer
    x = 92,621.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.