Home / 120,726.64-166,595.16-67,008.52

Finding the Fourth Proportional to 120,726.64, 166,595.16 and 67,008.52

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Solution

The fourth proportional to 120,726.64, 166,595.16 and 67,008.52 is: 92,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,726.64 : 166,595.16 = 67,008.52 : x
  2. Step 2: Convert to fraction form
    120,726.64/166,595.16 = 67,008.52/x
  3. Step 3: Cross multiply
    120,726.64x = 166,595.16 × 67,008.52
  4. Step 4: Simplify right side
    120,726.64x = 11,163,295,110.76
  5. Step 5: Solve for x
    x = 11,163,295,110.76/120,726.64
  6. Step 6: Final answer
    x = 92,467.54

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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.