Home / 67,122.30-100,678.18-39,024.44

Finding the Fourth Proportional to 67,122.30, 100,678.18 and 39,024.44

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Solution

The fourth proportional to 67,122.30, 100,678.18 and 39,024.44 is: 58,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,122.30 : 100,678.18 = 39,024.44 : x
  2. Step 2: Convert to fraction form
    67,122.30/100,678.18 = 39,024.44/x
  3. Step 3: Cross multiply
    67,122.30x = 100,678.18 × 39,024.44
  4. Step 4: Simplify right side
    67,122.30x = 3,928,909,594.72
  5. Step 5: Solve for x
    x = 3,928,909,594.72/67,122.30
  6. Step 6: Final answer
    x = 58,533.60

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1.5x scale

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.