Home / 120,462.11-166,235.25-66,746.96

Finding the Fourth Proportional to 120,462.11, 166,235.25 and 66,746.96

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Solution

The fourth proportional to 120,462.11, 166,235.25 and 66,746.96 is: 92,109.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,462.11 : 166,235.25 = 66,746.96 : x
  2. Step 2: Convert to fraction form
    120,462.11/166,235.25 = 66,746.96/x
  3. Step 3: Cross multiply
    120,462.11x = 166,235.25 × 66,746.96
  4. Step 4: Simplify right side
    120,462.11x = 11,095,697,582.34
  5. Step 5: Solve for x
    x = 11,095,697,582.34/120,462.11
  6. Step 6: Final answer
    x = 92,109.44

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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.