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Finding the Fourth Proportional to 71,000.40, 106,500.60 and 67,544.40

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Solution

The fourth proportional to 71,000.40, 106,500.60 and 67,544.40 is: 101,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,000.40 : 106,500.60 = 67,544.40 : x
  2. Step 2: Convert to fraction form
    71,000.40/106,500.60 = 67,544.40/x
  3. Step 3: Cross multiply
    71,000.40x = 106,500.60 × 67,544.40
  4. Step 4: Simplify right side
    71,000.40x = 7,193,519,126.64
  5. Step 5: Solve for x
    x = 7,193,519,126.64/71,000.40
  6. Step 6: Final answer
    x = 101,316.60

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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.