Home / 120,811.53-166,726.20-67,095.16

Finding the Fourth Proportional to 120,811.53, 166,726.20 and 67,095.16

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Solution

The fourth proportional to 120,811.53, 166,726.20 and 67,095.16 is: 92,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,811.53 : 166,726.20 = 67,095.16 : x
  2. Step 2: Convert to fraction form
    120,811.53/166,726.20 = 67,095.16/x
  3. Step 3: Cross multiply
    120,811.53x = 166,726.20 × 67,095.16
  4. Step 4: Simplify right side
    120,811.53x = 11,186,521,065.19
  5. Step 5: Solve for x
    x = 11,186,521,065.19/120,811.53
  6. Step 6: Final answer
    x = 92,594.81

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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.