Home / 97,827.21-134,938.82-67,185.51

Finding the Fourth Proportional to 97,827.21, 134,938.82 and 67,185.51

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Solution

The fourth proportional to 97,827.21, 134,938.82 and 67,185.51 is: 92,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,827.21 : 134,938.82 = 67,185.51 : x
  2. Step 2: Convert to fraction form
    97,827.21/134,938.82 = 67,185.51/x
  3. Step 3: Cross multiply
    97,827.21x = 134,938.82 × 67,185.51
  4. Step 4: Simplify right side
    97,827.21x = 9,065,933,736.56
  5. Step 5: Solve for x
    x = 9,065,933,736.56/97,827.21
  6. Step 6: Final answer
    x = 92,672.93

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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.