Home / 113,505.73-156,638.96-62,518.64

Finding the Fourth Proportional to 113,505.73, 156,638.96 and 62,518.64

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Solution

The fourth proportional to 113,505.73, 156,638.96 and 62,518.64 is: 86,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,505.73 : 156,638.96 = 62,518.64 : x
  2. Step 2: Convert to fraction form
    113,505.73/156,638.96 = 62,518.64/x
  3. Step 3: Cross multiply
    113,505.73x = 156,638.96 × 62,518.64
  4. Step 4: Simplify right side
    113,505.73x = 9,792,855,063.66
  5. Step 5: Solve for x
    x = 9,792,855,063.66/113,505.73
  6. Step 6: Final answer
    x = 86,276.31

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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.