Home / 104,403.94-144,077.82-56,657.28

Finding the Fourth Proportional to 104,403.94, 144,077.82 and 56,657.28

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Solution

The fourth proportional to 104,403.94, 144,077.82 and 56,657.28 is: 78,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,403.94 : 144,077.82 = 56,657.28 : x
  2. Step 2: Convert to fraction form
    104,403.94/144,077.82 = 56,657.28/x
  3. Step 3: Cross multiply
    104,403.94x = 144,077.82 × 56,657.28
  4. Step 4: Simplify right side
    104,403.94x = 8,163,057,389.53
  5. Step 5: Solve for x
    x = 8,163,057,389.53/104,403.94
  6. Step 6: Final answer
    x = 78,187.25

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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.