Home / 120,948.71-181,423.64-36,709.61

Finding the Fourth Proportional to 120,948.71, 181,423.64 and 36,709.61

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Solution

The fourth proportional to 120,948.71, 181,423.64 and 36,709.61 is: 55,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,948.71 : 181,423.64 = 36,709.61 : x
  2. Step 2: Convert to fraction form
    120,948.71/181,423.64 = 36,709.61/x
  3. Step 3: Cross multiply
    120,948.71x = 181,423.64 × 36,709.61
  4. Step 4: Simplify right side
    120,948.71x = 6,659,990,253.84
  5. Step 5: Solve for x
    x = 6,659,990,253.84/120,948.71
  6. Step 6: Final answer
    x = 55,064.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.