Home / 113,365.17-156,454.20-62,388.09

Finding the Fourth Proportional to 113,365.17, 156,454.20 and 62,388.09

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Solution

The fourth proportional to 113,365.17, 156,454.20 and 62,388.09 is: 86,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,365.17 : 156,454.20 = 62,388.09 : x
  2. Step 2: Convert to fraction form
    113,365.17/156,454.20 = 62,388.09/x
  3. Step 3: Cross multiply
    113,365.17x = 156,454.20 × 62,388.09
  4. Step 4: Simplify right side
    113,365.17x = 9,760,878,710.48
  5. Step 5: Solve for x
    x = 9,760,878,710.48/113,365.17
  6. Step 6: Final answer
    x = 86,101.21

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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.