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Finding the Fourth Proportional to 71,171.45, 106,795.24 and 46,205.63

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Solution

The fourth proportional to 71,171.45, 106,795.24 and 46,205.63 is: 69,333.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,171.45 : 106,795.24 = 46,205.63 : x
  2. Step 2: Convert to fraction form
    71,171.45/106,795.24 = 46,205.63/x
  3. Step 3: Cross multiply
    71,171.45x = 106,795.24 × 46,205.63
  4. Step 4: Simplify right side
    71,171.45x = 4,934,541,345.20
  5. Step 5: Solve for x
    x = 4,934,541,345.20/71,171.45
  6. Step 6: Final answer
    x = 69,333.16

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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.