Home / 113,664.48-156,858.10-62,679.04

Finding the Fourth Proportional to 113,664.48, 156,858.10 and 62,679.04

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Solution

The fourth proportional to 113,664.48, 156,858.10 and 62,679.04 is: 86,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,664.48 : 156,858.10 = 62,679.04 : x
  2. Step 2: Convert to fraction form
    113,664.48/156,858.10 = 62,679.04/x
  3. Step 3: Cross multiply
    113,664.48x = 156,858.10 × 62,679.04
  4. Step 4: Simplify right side
    113,664.48x = 9,831,715,124.22
  5. Step 5: Solve for x
    x = 9,831,715,124.22/113,664.48
  6. Step 6: Final answer
    x = 86,497.69

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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.