Home / 79,994.64-110,436.48-48,171.36

Finding the Fourth Proportional to 79,994.64, 110,436.48 and 48,171.36

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Solution

The fourth proportional to 79,994.64, 110,436.48 and 48,171.36 is: 66,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,994.64 : 110,436.48 = 48,171.36 : x
  2. Step 2: Convert to fraction form
    79,994.64/110,436.48 = 48,171.36/x
  3. Step 3: Cross multiply
    79,994.64x = 110,436.48 × 48,171.36
  4. Step 4: Simplify right side
    79,994.64x = 5,319,875,435.21
  5. Step 5: Solve for x
    x = 5,319,875,435.21/79,994.64
  6. Step 6: Final answer
    x = 66,502.90

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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.