Home / 69,627.27-96,058.72-39,405.66

Finding the Fourth Proportional to 69,627.27, 96,058.72 and 39,405.66

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Solution

The fourth proportional to 69,627.27, 96,058.72 and 39,405.66 is: 54,364.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,627.27 : 96,058.72 = 39,405.66 : x
  2. Step 2: Convert to fraction form
    69,627.27/96,058.72 = 39,405.66/x
  3. Step 3: Cross multiply
    69,627.27x = 96,058.72 × 39,405.66
  4. Step 4: Simplify right side
    69,627.27x = 3,785,257,161.84
  5. Step 5: Solve for x
    x = 3,785,257,161.84/69,627.27
  6. Step 6: Final answer
    x = 54,364.58

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1.5x scale

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.