Home / 84,869.36-127,304.31-31,573.02

Finding the Fourth Proportional to 84,869.36, 127,304.31 and 31,573.02

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Solution

The fourth proportional to 84,869.36, 127,304.31 and 31,573.02 is: 47,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,869.36 : 127,304.31 = 31,573.02 : x
  2. Step 2: Convert to fraction form
    84,869.36/127,304.31 = 31,573.02/x
  3. Step 3: Cross multiply
    84,869.36x = 127,304.31 × 31,573.02
  4. Step 4: Simplify right side
    84,869.36x = 4,019,381,525.72
  5. Step 5: Solve for x
    x = 4,019,381,525.72/84,869.36
  6. Step 6: Final answer
    x = 47,359.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.