Home / 112,796.76-169,216.46-45,334.05

Finding the Fourth Proportional to 112,796.76, 169,216.46 and 45,334.05

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Solution

The fourth proportional to 112,796.76, 169,216.46 and 45,334.05 is: 68,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,796.76 : 169,216.46 = 45,334.05 : x
  2. Step 2: Convert to fraction form
    112,796.76/169,216.46 = 45,334.05/x
  3. Step 3: Cross multiply
    112,796.76x = 169,216.46 × 45,334.05
  4. Step 4: Simplify right side
    112,796.76x = 7,671,267,458.46
  5. Step 5: Solve for x
    x = 7,671,267,458.46/112,796.76
  6. Step 6: Final answer
    x = 68,009.64

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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.