Home / 84,009.88-115,933.29-45,769.31

Finding the Fourth Proportional to 84,009.88, 115,933.29 and 45,769.31

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Solution

The fourth proportional to 84,009.88, 115,933.29 and 45,769.31 is: 63,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,009.88 : 115,933.29 = 45,769.31 : x
  2. Step 2: Convert to fraction form
    84,009.88/115,933.29 = 45,769.31/x
  3. Step 3: Cross multiply
    84,009.88x = 115,933.29 × 45,769.31
  4. Step 4: Simplify right side
    84,009.88x = 5,306,186,807.53
  5. Step 5: Solve for x
    x = 5,306,186,807.53/84,009.88
  6. Step 6: Final answer
    x = 63,161.46

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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.