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Finding the Fourth Proportional to 71,843.13, 99,201.69 and 46,362.15

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Solution

The fourth proportional to 71,843.13, 99,201.69 and 46,362.15 is: 64,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,843.13 : 99,201.69 = 46,362.15 : x
  2. Step 2: Convert to fraction form
    71,843.13/99,201.69 = 46,362.15/x
  3. Step 3: Cross multiply
    71,843.13x = 99,201.69 × 46,362.15
  4. Step 4: Simplify right side
    71,843.13x = 4,599,203,632.03
  5. Step 5: Solve for x
    x = 4,599,203,632.03/71,843.13
  6. Step 6: Final answer
    x = 64,017.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.