Home / 93,709.20-140,408.28-65,948.88

Finding the Fourth Proportional to 93,709.20, 140,408.28 and 65,948.88

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Solution

The fourth proportional to 93,709.20, 140,408.28 and 65,948.88 is: 98,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,709.20 : 140,408.28 = 65,948.88 : x
  2. Step 2: Convert to fraction form
    93,709.20/140,408.28 = 65,948.88/x
  3. Step 3: Cross multiply
    93,709.20x = 140,408.28 × 65,948.88
  4. Step 4: Simplify right side
    93,709.20x = 9,259,768,808.73
  5. Step 5: Solve for x
    x = 9,259,768,808.73/93,709.20
  6. Step 6: Final answer
    x = 98,813.87

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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.