Home / 109,778.20-151,493.93-59,477.20

Finding the Fourth Proportional to 109,778.20, 151,493.93 and 59,477.20

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Solution

The fourth proportional to 109,778.20, 151,493.93 and 59,477.20 is: 82,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,778.20 : 151,493.93 = 59,477.20 : x
  2. Step 2: Convert to fraction form
    109,778.20/151,493.93 = 59,477.20/x
  3. Step 3: Cross multiply
    109,778.20x = 151,493.93 × 59,477.20
  4. Step 4: Simplify right side
    109,778.20x = 9,010,435,172.47
  5. Step 5: Solve for x
    x = 9,010,435,172.47/109,778.20
  6. Step 6: Final answer
    x = 82,078.54

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1.5x scale

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.