Home / 117,285.50-161,853.07-63,569.14

Finding the Fourth Proportional to 117,285.50, 161,853.07 and 63,569.14

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Solution

The fourth proportional to 117,285.50, 161,853.07 and 63,569.14 is: 87,724.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,285.50 : 161,853.07 = 63,569.14 : x
  2. Step 2: Convert to fraction form
    117,285.50/161,853.07 = 63,569.14/x
  3. Step 3: Cross multiply
    117,285.50x = 161,853.07 × 63,569.14
  4. Step 4: Simplify right side
    117,285.50x = 10,288,860,466.26
  5. Step 5: Solve for x
    x = 10,288,860,466.26/117,285.50
  6. Step 6: Final answer
    x = 87,724.91

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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.