Home / 109,218.33-150,701.18-61,461.54

Finding the Fourth Proportional to 109,218.33, 150,701.18 and 61,461.54

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Solution

The fourth proportional to 109,218.33, 150,701.18 and 61,461.54 is: 84,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,218.33 : 150,701.18 = 61,461.54 : x
  2. Step 2: Convert to fraction form
    109,218.33/150,701.18 = 61,461.54/x
  3. Step 3: Cross multiply
    109,218.33x = 150,701.18 × 61,461.54
  4. Step 4: Simplify right side
    109,218.33x = 9,262,326,295.31
  5. Step 5: Solve for x
    x = 9,262,326,295.31/109,218.33
  6. Step 6: Final answer
    x = 84,805.60

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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.