Home / 66,236.34-99,398.28-31,186.02

Finding the Fourth Proportional to 66,236.34, 99,398.28 and 31,186.02

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Solution

The fourth proportional to 66,236.34, 99,398.28 and 31,186.02 is: 46,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,236.34 : 99,398.28 = 31,186.02 : x
  2. Step 2: Convert to fraction form
    66,236.34/99,398.28 = 31,186.02/x
  3. Step 3: Cross multiply
    66,236.34x = 99,398.28 × 31,186.02
  4. Step 4: Simplify right side
    66,236.34x = 3,099,836,748.05
  5. Step 5: Solve for x
    x = 3,099,836,748.05/66,236.34
  6. Step 6: Final answer
    x = 46,799.64

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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.