Home / 89,150.04-122,956.14-75,765.60

Finding the Fourth Proportional to 89,150.04, 122,956.14 and 75,765.60

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Solution

The fourth proportional to 89,150.04, 122,956.14 and 75,765.60 is: 104,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,150.04 : 122,956.14 = 75,765.60 : x
  2. Step 2: Convert to fraction form
    89,150.04/122,956.14 = 75,765.60/x
  3. Step 3: Cross multiply
    89,150.04x = 122,956.14 × 75,765.60
  4. Step 4: Simplify right side
    89,150.04x = 9,315,845,720.78
  5. Step 5: Solve for x
    x = 9,315,845,720.78/89,150.04
  6. Step 6: Final answer
    x = 104,496.26

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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.