Home / 89,992.08-124,202.16-52,287.12

Finding the Fourth Proportional to 89,992.08, 124,202.16 and 52,287.12

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Solution

The fourth proportional to 89,992.08, 124,202.16 and 52,287.12 is: 72,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,992.08 : 124,202.16 = 52,287.12 : x
  2. Step 2: Convert to fraction form
    89,992.08/124,202.16 = 52,287.12/x
  3. Step 3: Cross multiply
    89,992.08x = 124,202.16 × 52,287.12
  4. Step 4: Simplify right side
    89,992.08x = 6,494,173,244.18
  5. Step 5: Solve for x
    x = 6,494,173,244.18/89,992.08
  6. Step 6: Final answer
    x = 72,163.83

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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.