Home / 103,634.50-143,015.62-58,922.50

Finding the Fourth Proportional to 103,634.50, 143,015.62 and 58,922.50

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Solution

The fourth proportional to 103,634.50, 143,015.62 and 58,922.50 is: 81,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.50 : 143,015.62 = 58,922.50 : x
  2. Step 2: Convert to fraction form
    103,634.50/143,015.62 = 58,922.50/x
  3. Step 3: Cross multiply
    103,634.50x = 143,015.62 × 58,922.50
  4. Step 4: Simplify right side
    103,634.50x = 8,426,837,869.45
  5. Step 5: Solve for x
    x = 8,426,837,869.45/103,634.50
  6. Step 6: Final answer
    x = 81,313.06

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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.