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Finding the Fourth Proportional to 84,617.62, 116,772.32 and 46,891.88

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Solution

The fourth proportional to 84,617.62, 116,772.32 and 46,891.88 is: 64,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,617.62 : 116,772.32 = 46,891.88 : x
  2. Step 2: Convert to fraction form
    84,617.62/116,772.32 = 46,891.88/x
  3. Step 3: Cross multiply
    84,617.62x = 116,772.32 × 46,891.88
  4. Step 4: Simplify right side
    84,617.62x = 5,475,673,616.76
  5. Step 5: Solve for x
    x = 5,475,673,616.76/84,617.62
  6. Step 6: Final answer
    x = 64,710.80

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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.