Home / 89,894.36-124,001.82-57,617.48

Finding the Fourth Proportional to 89,894.36, 124,001.82 and 57,617.48

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Solution

The fourth proportional to 89,894.36, 124,001.82 and 57,617.48 is: 79,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,894.36 : 124,001.82 = 57,617.48 : x
  2. Step 2: Convert to fraction form
    89,894.36/124,001.82 = 57,617.48/x
  3. Step 3: Cross multiply
    89,894.36x = 124,001.82 × 57,617.48
  4. Step 4: Simplify right side
    89,894.36x = 7,144,672,383.81
  5. Step 5: Solve for x
    x = 7,144,672,383.81/89,894.36
  6. Step 6: Final answer
    x = 79,478.54

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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.