Home / 93,743.60-140,451.38-78,049.49

Finding the Fourth Proportional to 93,743.60, 140,451.38 and 78,049.49

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Solution

The fourth proportional to 93,743.60, 140,451.38 and 78,049.49 is: 116,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,743.60 : 140,451.38 = 78,049.49 : x
  2. Step 2: Convert to fraction form
    93,743.60/140,451.38 = 78,049.49/x
  3. Step 3: Cross multiply
    93,743.60x = 140,451.38 × 78,049.49
  4. Step 4: Simplify right side
    93,743.60x = 10,962,158,578.80
  5. Step 5: Solve for x
    x = 10,962,158,578.80/93,743.60
  6. Step 6: Final answer
    x = 116,937.67

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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.