Home / 104,490.84-144,196.09-56,744.53

Finding the Fourth Proportional to 104,490.84, 144,196.09 and 56,744.53

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Solution

The fourth proportional to 104,490.84, 144,196.09 and 56,744.53 is: 78,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,490.84 : 144,196.09 = 56,744.53 : x
  2. Step 2: Convert to fraction form
    104,490.84/144,196.09 = 56,744.53/x
  3. Step 3: Cross multiply
    104,490.84x = 144,196.09 × 56,744.53
  4. Step 4: Simplify right side
    104,490.84x = 8,182,338,852.54
  5. Step 5: Solve for x
    x = 8,182,338,852.54/104,490.84
  6. Step 6: Final answer
    x = 78,306.75

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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.