Home / 97,932.36-146,840.16-66,381.24

Finding the Fourth Proportional to 97,932.36, 146,840.16 and 66,381.24

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Solution

The fourth proportional to 97,932.36, 146,840.16 and 66,381.24 is: 99,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,932.36 : 146,840.16 = 66,381.24 : x
  2. Step 2: Convert to fraction form
    97,932.36/146,840.16 = 66,381.24/x
  3. Step 3: Cross multiply
    97,932.36x = 146,840.16 × 66,381.24
  4. Step 4: Simplify right side
    97,932.36x = 9,747,431,902.60
  5. Step 5: Solve for x
    x = 9,747,431,902.60/97,932.36
  6. Step 6: Final answer
    x = 99,532.29

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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.