Home / 117,071.06-161,558.34-63,356.46

Finding the Fourth Proportional to 117,071.06, 161,558.34 and 63,356.46

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Solution

The fourth proportional to 117,071.06, 161,558.34 and 63,356.46 is: 87,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,071.06 : 161,558.34 = 63,356.46 : x
  2. Step 2: Convert to fraction form
    117,071.06/161,558.34 = 63,356.46/x
  3. Step 3: Cross multiply
    117,071.06x = 161,558.34 × 63,356.46
  4. Step 4: Simplify right side
    117,071.06x = 10,235,764,505.88
  5. Step 5: Solve for x
    x = 10,235,764,505.88/117,071.06
  6. Step 6: Final answer
    x = 87,432.07

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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.