Home / 90,954.03-125,486.24-55,132.59

Finding the Fourth Proportional to 90,954.03, 125,486.24 and 55,132.59

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Solution

The fourth proportional to 90,954.03, 125,486.24 and 55,132.59 is: 76,064.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,954.03 : 125,486.24 = 55,132.59 : x
  2. Step 2: Convert to fraction form
    90,954.03/125,486.24 = 55,132.59/x
  3. Step 3: Cross multiply
    90,954.03x = 125,486.24 × 55,132.59
  4. Step 4: Simplify right side
    90,954.03x = 6,918,381,144.90
  5. Step 5: Solve for x
    x = 6,918,381,144.90/90,954.03
  6. Step 6: Final answer
    x = 76,064.59

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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.