Home / 117,077.45-161,566.86-63,362.47

Finding the Fourth Proportional to 117,077.45, 161,566.86 and 63,362.47

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Solution

The fourth proportional to 117,077.45, 161,566.86 and 63,362.47 is: 87,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,077.45 : 161,566.86 = 63,362.47 : x
  2. Step 2: Convert to fraction form
    117,077.45/161,566.86 = 63,362.47/x
  3. Step 3: Cross multiply
    117,077.45x = 161,566.86 × 63,362.47
  4. Step 4: Simplify right side
    117,077.45x = 10,237,274,915.83
  5. Step 5: Solve for x
    x = 10,237,274,915.83/117,077.45
  6. Step 6: Final answer
    x = 87,440.20

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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.