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Finding the Fourth Proportional to 84,412.44, 116,487.16 and 46,685.88

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Solution

The fourth proportional to 84,412.44, 116,487.16 and 46,685.88 is: 64,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,412.44 : 116,487.16 = 46,685.88 : x
  2. Step 2: Convert to fraction form
    84,412.44/116,487.16 = 46,685.88/x
  3. Step 3: Cross multiply
    84,412.44x = 116,487.16 × 46,685.88
  4. Step 4: Simplify right side
    84,412.44x = 5,438,305,573.30
  5. Step 5: Solve for x
    x = 5,438,305,573.30/84,412.44
  6. Step 6: Final answer
    x = 64,425.40

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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.