Home / 120,717.81-166,582.74-67,002.84

Finding the Fourth Proportional to 120,717.81, 166,582.74 and 67,002.84

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Solution

The fourth proportional to 120,717.81, 166,582.74 and 67,002.84 is: 92,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,717.81 : 166,582.74 = 67,002.84 : x
  2. Step 2: Convert to fraction form
    120,717.81/166,582.74 = 67,002.84/x
  3. Step 3: Cross multiply
    120,717.81x = 166,582.74 × 67,002.84
  4. Step 4: Simplify right side
    120,717.81x = 11,161,516,674.98
  5. Step 5: Solve for x
    x = 11,161,516,674.98/120,717.81
  6. Step 6: Final answer
    x = 92,459.57

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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.