Home / 101,569.56-140,078.94-61,274.52

Finding the Fourth Proportional to 101,569.56, 140,078.94 and 61,274.52

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Solution

The fourth proportional to 101,569.56, 140,078.94 and 61,274.52 is: 84,506.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,569.56 : 140,078.94 = 61,274.52 : x
  2. Step 2: Convert to fraction form
    101,569.56/140,078.94 = 61,274.52/x
  3. Step 3: Cross multiply
    101,569.56x = 140,078.94 × 61,274.52
  4. Step 4: Simplify right side
    101,569.56x = 8,583,269,810.61
  5. Step 5: Solve for x
    x = 8,583,269,810.61/101,569.56
  6. Step 6: Final answer
    x = 84,506.32

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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.