Home / 120,723.22-166,595.47-67,005.01

Finding the Fourth Proportional to 120,723.22, 166,595.47 and 67,005.01

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Solution

The fourth proportional to 120,723.22, 166,595.47 and 67,005.01 is: 92,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,723.22 : 166,595.47 = 67,005.01 : x
  2. Step 2: Convert to fraction form
    120,723.22/166,595.47 = 67,005.01/x
  3. Step 3: Cross multiply
    120,723.22x = 166,595.47 × 67,005.01
  4. Step 4: Simplify right side
    120,723.22x = 11,162,731,133.30
  5. Step 5: Solve for x
    x = 11,162,731,133.30/120,723.22
  6. Step 6: Final answer
    x = 92,465.49

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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.