Home / 112,796.72-169,216.44-45,333.99

Finding the Fourth Proportional to 112,796.72, 169,216.44 and 45,333.99

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Solution

The fourth proportional to 112,796.72, 169,216.44 and 45,333.99 is: 68,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,796.72 : 169,216.44 = 45,333.99 : x
  2. Step 2: Convert to fraction form
    112,796.72/169,216.44 = 45,333.99/x
  3. Step 3: Cross multiply
    112,796.72x = 169,216.44 × 45,333.99
  4. Step 4: Simplify right side
    112,796.72x = 7,671,256,398.80
  5. Step 5: Solve for x
    x = 7,671,256,398.80/112,796.72
  6. Step 6: Final answer
    x = 68,009.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.