Home / 104,085.23-143,637.99-56,338.52

Finding the Fourth Proportional to 104,085.23, 143,637.99 and 56,338.52

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Solution

The fourth proportional to 104,085.23, 143,637.99 and 56,338.52 is: 77,747.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,085.23 : 143,637.99 = 56,338.52 : x
  2. Step 2: Convert to fraction form
    104,085.23/143,637.99 = 56,338.52/x
  3. Step 3: Cross multiply
    104,085.23x = 143,637.99 × 56,338.52
  4. Step 4: Simplify right side
    104,085.23x = 8,092,351,772.37
  5. Step 5: Solve for x
    x = 8,092,351,772.37/104,085.23
  6. Step 6: Final answer
    x = 77,747.36

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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.