Home / 84,389.17-126,509.26-31,835.56

Finding the Fourth Proportional to 84,389.17, 126,509.26 and 31,835.56

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Solution

The fourth proportional to 84,389.17, 126,509.26 and 31,835.56 is: 47,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,389.17 : 126,509.26 = 31,835.56 : x
  2. Step 2: Convert to fraction form
    84,389.17/126,509.26 = 31,835.56/x
  3. Step 3: Cross multiply
    84,389.17x = 126,509.26 × 31,835.56
  4. Step 4: Simplify right side
    84,389.17x = 4,027,493,137.29
  5. Step 5: Solve for x
    x = 4,027,493,137.29/84,389.17
  6. Step 6: Final answer
    x = 47,725.24

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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.