Home / 84,009.90-115,933.30-45,769.33

Finding the Fourth Proportional to 84,009.90, 115,933.30 and 45,769.33

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Solution

The fourth proportional to 84,009.90, 115,933.30 and 45,769.33 is: 63,161.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,009.90 : 115,933.30 = 45,769.33 : x
  2. Step 2: Convert to fraction form
    84,009.90/115,933.30 = 45,769.33/x
  3. Step 3: Cross multiply
    84,009.90x = 115,933.30 × 45,769.33
  4. Step 4: Simplify right side
    84,009.90x = 5,306,188,886.02
  5. Step 5: Solve for x
    x = 5,306,188,886.02/84,009.90
  6. Step 6: Final answer
    x = 63,161.48

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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.