Home / 63,180.76-87,203.12-43,085.60

Finding the Fourth Proportional to 63,180.76, 87,203.12 and 43,085.60

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Solution

The fourth proportional to 63,180.76, 87,203.12 and 43,085.60 is: 59,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,180.76 : 87,203.12 = 43,085.60 : x
  2. Step 2: Convert to fraction form
    63,180.76/87,203.12 = 43,085.60/x
  3. Step 3: Cross multiply
    63,180.76x = 87,203.12 × 43,085.60
  4. Step 4: Simplify right side
    63,180.76x = 3,757,198,747.07
  5. Step 5: Solve for x
    x = 3,757,198,747.07/63,180.76
  6. Step 6: Final answer
    x = 59,467.45

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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.