Home / 117,100.28-161,598.24-63,385.23

Finding the Fourth Proportional to 117,100.28, 161,598.24 and 63,385.23

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Solution

The fourth proportional to 117,100.28, 161,598.24 and 63,385.23 is: 87,471.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,100.28 : 161,598.24 = 63,385.23 : x
  2. Step 2: Convert to fraction form
    117,100.28/161,598.24 = 63,385.23/x
  3. Step 3: Cross multiply
    117,100.28x = 161,598.24 × 63,385.23
  4. Step 4: Simplify right side
    117,100.28x = 10,242,942,215.99
  5. Step 5: Solve for x
    x = 10,242,942,215.99/117,100.28
  6. Step 6: Final answer
    x = 87,471.54

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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.