Home / 80,215.07-110,648.36-51,525.07

Finding the Fourth Proportional to 80,215.07, 110,648.36 and 51,525.07

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Solution

The fourth proportional to 80,215.07, 110,648.36 and 51,525.07 is: 71,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,215.07 : 110,648.36 = 51,525.07 : x
  2. Step 2: Convert to fraction form
    80,215.07/110,648.36 = 51,525.07/x
  3. Step 3: Cross multiply
    80,215.07x = 110,648.36 × 51,525.07
  4. Step 4: Simplify right side
    80,215.07x = 5,701,164,346.58
  5. Step 5: Solve for x
    x = 5,701,164,346.58/80,215.07
  6. Step 6: Final answer
    x = 71,073.49

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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.