Home / 90,607.53-125,039.97-50,325.02

Finding the Fourth Proportional to 90,607.53, 125,039.97 and 50,325.02

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Solution

The fourth proportional to 90,607.53, 125,039.97 and 50,325.02 is: 69,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,607.53 : 125,039.97 = 50,325.02 : x
  2. Step 2: Convert to fraction form
    90,607.53/125,039.97 = 50,325.02/x
  3. Step 3: Cross multiply
    90,607.53x = 125,039.97 × 50,325.02
  4. Step 4: Simplify right side
    90,607.53x = 6,292,638,365.85
  5. Step 5: Solve for x
    x = 6,292,638,365.85/90,607.53
  6. Step 6: Final answer
    x = 69,449.40

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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.