Home / 117,077.51-161,566.94-63,362.53

Finding the Fourth Proportional to 117,077.51, 161,566.94 and 63,362.53

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Solution

The fourth proportional to 117,077.51, 161,566.94 and 63,362.53 is: 87,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,077.51 : 161,566.94 = 63,362.53 : x
  2. Step 2: Convert to fraction form
    117,077.51/161,566.94 = 63,362.53/x
  3. Step 3: Cross multiply
    117,077.51x = 161,566.94 × 63,362.53
  4. Step 4: Simplify right side
    117,077.51x = 10,237,290,082.76
  5. Step 5: Solve for x
    x = 10,237,290,082.76/117,077.51
  6. Step 6: Final answer
    x = 87,440.28

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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.