Home / 97,434.78-146,142.63-66,046.50

Finding the Fourth Proportional to 97,434.78, 146,142.63 and 66,046.50

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Solution

The fourth proportional to 97,434.78, 146,142.63 and 66,046.50 is: 99,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,434.78 : 146,142.63 = 66,046.50 : x
  2. Step 2: Convert to fraction form
    97,434.78/146,142.63 = 66,046.50/x
  3. Step 3: Cross multiply
    97,434.78x = 146,142.63 × 66,046.50
  4. Step 4: Simplify right side
    97,434.78x = 9,652,209,212.30
  5. Step 5: Solve for x
    x = 9,652,209,212.30/97,434.78
  6. Step 6: Final answer
    x = 99,063.28

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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.