Home / 84,826.51-127,200.27-31,481.34

Finding the Fourth Proportional to 84,826.51, 127,200.27 and 31,481.34

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Solution

The fourth proportional to 84,826.51, 127,200.27 and 31,481.34 is: 47,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,826.51 : 127,200.27 = 31,481.34 : x
  2. Step 2: Convert to fraction form
    84,826.51/127,200.27 = 31,481.34/x
  3. Step 3: Cross multiply
    84,826.51x = 127,200.27 × 31,481.34
  4. Step 4: Simplify right side
    84,826.51x = 4,004,434,947.96
  5. Step 5: Solve for x
    x = 4,004,434,947.96/84,826.51
  6. Step 6: Final answer
    x = 47,207.35

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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.