Home / 101,972.36-140,665.14-94,755.88

Finding the Fourth Proportional to 101,972.36, 140,665.14 and 94,755.88

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Solution

The fourth proportional to 101,972.36, 140,665.14 and 94,755.88 is: 130,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,972.36 : 140,665.14 = 94,755.88 : x
  2. Step 2: Convert to fraction form
    101,972.36/140,665.14 = 94,755.88/x
  3. Step 3: Cross multiply
    101,972.36x = 140,665.14 × 94,755.88
  4. Step 4: Simplify right side
    101,972.36x = 13,328,849,126.02
  5. Step 5: Solve for x
    x = 13,328,849,126.02/101,972.36
  6. Step 6: Final answer
    x = 130,710.41

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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.