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Finding the Fourth Proportional to 84,614.76, 116,769.06 and 46,889.64

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Solution

The fourth proportional to 84,614.76, 116,769.06 and 46,889.64 is: 64,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,614.76 : 116,769.06 = 46,889.64 : x
  2. Step 2: Convert to fraction form
    84,614.76/116,769.06 = 46,889.64/x
  3. Step 3: Cross multiply
    84,614.76x = 116,769.06 × 46,889.64
  4. Step 4: Simplify right side
    84,614.76x = 5,475,259,186.54
  5. Step 5: Solve for x
    x = 5,475,259,186.54/84,614.76
  6. Step 6: Final answer
    x = 64,708.09

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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.