Home / 89,126.73-122,994.90-48,840.12

Finding the Fourth Proportional to 89,126.73, 122,994.90 and 48,840.12

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Solution

The fourth proportional to 89,126.73, 122,994.90 and 48,840.12 is: 67,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,126.73 : 122,994.90 = 48,840.12 : x
  2. Step 2: Convert to fraction form
    89,126.73/122,994.90 = 48,840.12/x
  3. Step 3: Cross multiply
    89,126.73x = 122,994.90 × 48,840.12
  4. Step 4: Simplify right side
    89,126.73x = 6,007,085,675.39
  5. Step 5: Solve for x
    x = 6,007,085,675.39/89,126.73
  6. Step 6: Final answer
    x = 67,399.37

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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.