Home / 107,255.05-148,033.51-61,940.41

Finding the Fourth Proportional to 107,255.05, 148,033.51 and 61,940.41

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Solution

The fourth proportional to 107,255.05, 148,033.51 and 61,940.41 is: 85,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,255.05 : 148,033.51 = 61,940.41 : x
  2. Step 2: Convert to fraction form
    107,255.05/148,033.51 = 61,940.41/x
  3. Step 3: Cross multiply
    107,255.05x = 148,033.51 × 61,940.41
  4. Step 4: Simplify right side
    107,255.05x = 9,169,255,778.20
  5. Step 5: Solve for x
    x = 9,169,255,778.20/107,255.05
  6. Step 6: Final answer
    x = 85,490.20

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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.