Home / 103,897.56-143,371.44-58,577.16

Finding the Fourth Proportional to 103,897.56, 143,371.44 and 58,577.16

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Solution

The fourth proportional to 103,897.56, 143,371.44 and 58,577.16 is: 80,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,897.56 : 143,371.44 = 58,577.16 : x
  2. Step 2: Convert to fraction form
    103,897.56/143,371.44 = 58,577.16/x
  3. Step 3: Cross multiply
    103,897.56x = 143,371.44 × 58,577.16
  4. Step 4: Simplify right side
    103,897.56x = 8,398,291,780.31
  5. Step 5: Solve for x
    x = 8,398,291,780.31/103,897.56
  6. Step 6: Final answer
    x = 80,832.43

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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.