Home / 103,887.85-143,377.86-58,574.56

Finding the Fourth Proportional to 103,887.85, 143,377.86 and 58,574.56

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Solution

The fourth proportional to 103,887.85, 143,377.86 and 58,574.56 is: 80,840.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,887.85 : 143,377.86 = 58,574.56 : x
  2. Step 2: Convert to fraction form
    103,887.85/143,377.86 = 58,574.56/x
  3. Step 3: Cross multiply
    103,887.85x = 143,377.86 × 58,574.56
  4. Step 4: Simplify right side
    103,887.85x = 8,398,295,063.24
  5. Step 5: Solve for x
    x = 8,398,295,063.24/103,887.85
  6. Step 6: Final answer
    x = 80,840.01

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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.