Home / 109,367.34-150,916.14-61,629.18

Finding the Fourth Proportional to 109,367.34, 150,916.14 and 61,629.18

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Solution

The fourth proportional to 109,367.34, 150,916.14 and 61,629.18 is: 85,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,367.34 : 150,916.14 = 61,629.18 : x
  2. Step 2: Convert to fraction form
    109,367.34/150,916.14 = 61,629.18/x
  3. Step 3: Cross multiply
    109,367.34x = 150,916.14 × 61,629.18
  4. Step 4: Simplify right side
    109,367.34x = 9,300,837,956.97
  5. Step 5: Solve for x
    x = 9,300,837,956.97/109,367.34
  6. Step 6: Final answer
    x = 85,042.19

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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.