Home / 80,705.49-111,360.74-44,895.39

Finding the Fourth Proportional to 80,705.49, 111,360.74 and 44,895.39

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Solution

The fourth proportional to 80,705.49, 111,360.74 and 44,895.39 is: 61,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,705.49 : 111,360.74 = 44,895.39 : x
  2. Step 2: Convert to fraction form
    80,705.49/111,360.74 = 44,895.39/x
  3. Step 3: Cross multiply
    80,705.49x = 111,360.74 × 44,895.39
  4. Step 4: Simplify right side
    80,705.49x = 4,999,583,628.51
  5. Step 5: Solve for x
    x = 4,999,583,628.51/80,705.49
  6. Step 6: Final answer
    x = 61,948.49

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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.