Home / 117,170.60-161,693.43-63,455.18

Finding the Fourth Proportional to 117,170.60, 161,693.43 and 63,455.18

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Solution

The fourth proportional to 117,170.60, 161,693.43 and 63,455.18 is: 87,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,170.60 : 161,693.43 = 63,455.18 : x
  2. Step 2: Convert to fraction form
    117,170.60/161,693.43 = 63,455.18/x
  3. Step 3: Cross multiply
    117,170.60x = 161,693.43 × 63,455.18
  4. Step 4: Simplify right side
    117,170.60x = 10,260,285,705.47
  5. Step 5: Solve for x
    x = 10,260,285,705.47/117,170.60
  6. Step 6: Final answer
    x = 87,567.07

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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.