Home / 120,799.64-166,703.10-67,083.32

Finding the Fourth Proportional to 120,799.64, 166,703.10 and 67,083.32

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Solution

The fourth proportional to 120,799.64, 166,703.10 and 67,083.32 is: 92,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,799.64 : 166,703.10 = 67,083.32 : x
  2. Step 2: Convert to fraction form
    120,799.64/166,703.10 = 67,083.32/x
  3. Step 3: Cross multiply
    120,799.64x = 166,703.10 × 67,083.32
  4. Step 4: Simplify right side
    120,799.64x = 11,182,997,402.29
  5. Step 5: Solve for x
    x = 11,182,997,402.29/120,799.64
  6. Step 6: Final answer
    x = 92,574.76

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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.