Home / 113,670.36-156,858.30-62,680.68

Finding the Fourth Proportional to 113,670.36, 156,858.30 and 62,680.68

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Solution

The fourth proportional to 113,670.36, 156,858.30 and 62,680.68 is: 86,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,670.36 : 156,858.30 = 62,680.68 : x
  2. Step 2: Convert to fraction form
    113,670.36/156,858.30 = 62,680.68/x
  3. Step 3: Cross multiply
    113,670.36x = 156,858.30 × 62,680.68
  4. Step 4: Simplify right side
    113,670.36x = 9,831,984,907.64
  5. Step 5: Solve for x
    x = 9,831,984,907.64/113,670.36
  6. Step 6: Final answer
    x = 86,495.59

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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.