Home / 101,644.03-140,270.79-59,205.30

Finding the Fourth Proportional to 101,644.03, 140,270.79 and 59,205.30

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Solution

The fourth proportional to 101,644.03, 140,270.79 and 59,205.30 is: 81,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,644.03 : 140,270.79 = 59,205.30 : x
  2. Step 2: Convert to fraction form
    101,644.03/140,270.79 = 59,205.30/x
  3. Step 3: Cross multiply
    101,644.03x = 140,270.79 × 59,205.30
  4. Step 4: Simplify right side
    101,644.03x = 8,304,774,203.19
  5. Step 5: Solve for x
    x = 8,304,774,203.19/101,644.03
  6. Step 6: Final answer
    x = 81,704.50

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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.