Home / 67,271.10-100,906.65-45,152.70

Finding the Fourth Proportional to 67,271.10, 100,906.65 and 45,152.70

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Solution

The fourth proportional to 67,271.10, 100,906.65 and 45,152.70 is: 67,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,271.10 : 100,906.65 = 45,152.70 : x
  2. Step 2: Convert to fraction form
    67,271.10/100,906.65 = 45,152.70/x
  3. Step 3: Cross multiply
    67,271.10x = 100,906.65 × 45,152.70
  4. Step 4: Simplify right side
    67,271.10x = 4,556,207,695.46
  5. Step 5: Solve for x
    x = 4,556,207,695.46/67,271.10
  6. Step 6: Final answer
    x = 67,729.05

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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.