Home / 113,823.20-157,078.52-62,835.80

Finding the Fourth Proportional to 113,823.20, 157,078.52 and 62,835.80

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Solution

The fourth proportional to 113,823.20, 157,078.52 and 62,835.80 is: 86,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,823.20 : 157,078.52 = 62,835.80 : x
  2. Step 2: Convert to fraction form
    113,823.20/157,078.52 = 62,835.80/x
  3. Step 3: Cross multiply
    113,823.20x = 157,078.52 × 62,835.80
  4. Step 4: Simplify right side
    113,823.20x = 9,870,154,467.02
  5. Step 5: Solve for x
    x = 9,870,154,467.02/113,823.20
  6. Step 6: Final answer
    x = 86,714.79

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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.