Home / 89,918.51-124,085.93-49,633.56

Finding the Fourth Proportional to 89,918.51, 124,085.93 and 49,633.56

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Solution

The fourth proportional to 89,918.51, 124,085.93 and 49,633.56 is: 68,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,918.51 : 124,085.93 = 49,633.56 : x
  2. Step 2: Convert to fraction form
    89,918.51/124,085.93 = 49,633.56/x
  3. Step 3: Cross multiply
    89,918.51x = 124,085.93 × 49,633.56
  4. Step 4: Simplify right side
    89,918.51x = 6,158,826,203.64
  5. Step 5: Solve for x
    x = 6,158,826,203.64/89,918.51
  6. Step 6: Final answer
    x = 68,493.42

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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.