Home / 97,748.70-134,907.72-61,942.02

Finding the Fourth Proportional to 97,748.70, 134,907.72 and 61,942.02

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Solution

The fourth proportional to 97,748.70, 134,907.72 and 61,942.02 is: 85,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,748.70 : 134,907.72 = 61,942.02 : x
  2. Step 2: Convert to fraction form
    97,748.70/134,907.72 = 61,942.02/x
  3. Step 3: Cross multiply
    97,748.70x = 134,907.72 × 61,942.02
  4. Step 4: Simplify right side
    97,748.70x = 8,356,456,690.39
  5. Step 5: Solve for x
    x = 8,356,456,690.39/97,748.70
  6. Step 6: Final answer
    x = 85,489.18

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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.