Home / 93,685.20-140,592.60-67,408.80

Finding the Fourth Proportional to 93,685.20, 140,592.60 and 67,408.80

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Solution

The fourth proportional to 93,685.20, 140,592.60 and 67,408.80 is: 101,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,685.20 : 140,592.60 = 67,408.80 : x
  2. Step 2: Convert to fraction form
    93,685.20/140,592.60 = 67,408.80/x
  3. Step 3: Cross multiply
    93,685.20x = 140,592.60 × 67,408.80
  4. Step 4: Simplify right side
    93,685.20x = 9,477,178,454.88
  5. Step 5: Solve for x
    x = 9,477,178,454.88/93,685.20
  6. Step 6: Final answer
    x = 101,159.83

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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.