Home / 97,799.70-134,770.05-69,425.94

Finding the Fourth Proportional to 97,799.70, 134,770.05 and 69,425.94

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Solution

The fourth proportional to 97,799.70, 134,770.05 and 69,425.94 is: 95,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,799.70 : 134,770.05 = 69,425.94 : x
  2. Step 2: Convert to fraction form
    97,799.70/134,770.05 = 69,425.94/x
  3. Step 3: Cross multiply
    97,799.70x = 134,770.05 × 69,425.94
  4. Step 4: Simplify right side
    97,799.70x = 9,356,537,405.10
  5. Step 5: Solve for x
    x = 9,356,537,405.10/97,799.70
  6. Step 6: Final answer
    x = 95,670.41

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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.