Home / 97,023.12-133,891.68-54,581.64

Finding the Fourth Proportional to 97,023.12, 133,891.68 and 54,581.64

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Solution

The fourth proportional to 97,023.12, 133,891.68 and 54,581.64 is: 75,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,023.12 : 133,891.68 = 54,581.64 : x
  2. Step 2: Convert to fraction form
    97,023.12/133,891.68 = 54,581.64/x
  3. Step 3: Cross multiply
    97,023.12x = 133,891.68 × 54,581.64
  4. Step 4: Simplify right side
    97,023.12x = 7,308,027,476.76
  5. Step 5: Solve for x
    x = 7,308,027,476.76/97,023.12
  6. Step 6: Final answer
    x = 75,322.54

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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.