Home / 75,184.89-112,798.13-66,922.62

Finding the Fourth Proportional to 75,184.89, 112,798.13 and 66,922.62

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Solution

The fourth proportional to 75,184.89, 112,798.13 and 66,922.62 is: 100,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,184.89 : 112,798.13 = 66,922.62 : x
  2. Step 2: Convert to fraction form
    75,184.89/112,798.13 = 66,922.62/x
  3. Step 3: Cross multiply
    75,184.89x = 112,798.13 × 66,922.62
  4. Step 4: Simplify right side
    75,184.89x = 7,548,746,056.09
  5. Step 5: Solve for x
    x = 7,548,746,056.09/75,184.89
  6. Step 6: Final answer
    x = 100,402.44

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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.