Home / 45,598.60-68,394.66-12,320.56

Finding the Fourth Proportional to 45,598.60, 68,394.66 and 12,320.56

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Solution

The fourth proportional to 45,598.60, 68,394.66 and 12,320.56 is: 18,479.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,598.60 : 68,394.66 = 12,320.56 : x
  2. Step 2: Convert to fraction form
    45,598.60/68,394.66 = 12,320.56/x
  3. Step 3: Cross multiply
    45,598.60x = 68,394.66 × 12,320.56
  4. Step 4: Simplify right side
    45,598.60x = 842,660,512.21
  5. Step 5: Solve for x
    x = 842,660,512.21/45,598.60
  6. Step 6: Final answer
    x = 18,479.96

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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.