Home / 113,456.07-156,563.91-62,467.74

Finding the Fourth Proportional to 113,456.07, 156,563.91 and 62,467.74

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Solution

The fourth proportional to 113,456.07, 156,563.91 and 62,467.74 is: 86,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,456.07 : 156,563.91 = 62,467.74 : x
  2. Step 2: Convert to fraction form
    113,456.07/156,563.91 = 62,467.74/x
  3. Step 3: Cross multiply
    113,456.07x = 156,563.91 × 62,467.74
  4. Step 4: Simplify right side
    113,456.07x = 9,780,193,623.26
  5. Step 5: Solve for x
    x = 9,780,193,623.26/113,456.07
  6. Step 6: Final answer
    x = 86,202.47

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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.