Home / 103,901.06-143,376.27-58,580.66

Finding the Fourth Proportional to 103,901.06, 143,376.27 and 58,580.66

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Solution

The fourth proportional to 103,901.06, 143,376.27 and 58,580.66 is: 80,837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,901.06 : 143,376.27 = 58,580.66 : x
  2. Step 2: Convert to fraction form
    103,901.06/143,376.27 = 58,580.66/x
  3. Step 3: Cross multiply
    103,901.06x = 143,376.27 × 58,580.66
  4. Step 4: Simplify right side
    103,901.06x = 8,399,076,524.94
  5. Step 5: Solve for x
    x = 8,399,076,524.94/103,901.06
  6. Step 6: Final answer
    x = 80,837.26

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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.