Home / 113,138.16-156,137.52-62,837.04

Finding the Fourth Proportional to 113,138.16, 156,137.52 and 62,837.04

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Solution

The fourth proportional to 113,138.16, 156,137.52 and 62,837.04 is: 86,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,138.16 : 156,137.52 = 62,837.04 : x
  2. Step 2: Convert to fraction form
    113,138.16/156,137.52 = 62,837.04/x
  3. Step 3: Cross multiply
    113,138.16x = 156,137.52 × 62,837.04
  4. Step 4: Simplify right side
    113,138.16x = 9,811,219,589.74
  5. Step 5: Solve for x
    x = 9,811,219,589.74/113,138.16
  6. Step 6: Final answer
    x = 86,718.92

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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.