Home / 45,335.10-68,002.55-12,055.17

Finding the Fourth Proportional to 45,335.10, 68,002.55 and 12,055.17

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Solution

The fourth proportional to 45,335.10, 68,002.55 and 12,055.17 is: 18,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,335.10 : 68,002.55 = 12,055.17 : x
  2. Step 2: Convert to fraction form
    45,335.10/68,002.55 = 12,055.17/x
  3. Step 3: Cross multiply
    45,335.10x = 68,002.55 × 12,055.17
  4. Step 4: Simplify right side
    45,335.10x = 819,782,300.68
  5. Step 5: Solve for x
    x = 819,782,300.68/45,335.10
  6. Step 6: Final answer
    x = 18,082.73

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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.