Home / 104,433.69-144,118.67-56,687.03

Finding the Fourth Proportional to 104,433.69, 144,118.67 and 56,687.03

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Solution

The fourth proportional to 104,433.69, 144,118.67 and 56,687.03 is: 78,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,433.69 : 144,118.67 = 56,687.03 : x
  2. Step 2: Convert to fraction form
    104,433.69/144,118.67 = 56,687.03/x
  3. Step 3: Cross multiply
    104,433.69x = 144,118.67 × 56,687.03
  4. Step 4: Simplify right side
    104,433.69x = 8,169,658,365.82
  5. Step 5: Solve for x
    x = 8,169,658,365.82/104,433.69
  6. Step 6: Final answer
    x = 78,228.19

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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.