Home / 117,220.01-161,763.42-63,505.25

Finding the Fourth Proportional to 117,220.01, 161,763.42 and 63,505.25

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Solution

The fourth proportional to 117,220.01, 161,763.42 and 63,505.25 is: 87,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,220.01 : 161,763.42 = 63,505.25 : x
  2. Step 2: Convert to fraction form
    117,220.01/161,763.42 = 63,505.25/x
  3. Step 3: Cross multiply
    117,220.01x = 161,763.42 × 63,505.25
  4. Step 4: Simplify right side
    117,220.01x = 10,272,826,427.96
  5. Step 5: Solve for x
    x = 10,272,826,427.96/117,220.01
  6. Step 6: Final answer
    x = 87,637.14

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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.