Home / 89,127.30-122,993.70-48,840.18

Finding the Fourth Proportional to 89,127.30, 122,993.70 and 48,840.18

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Solution

The fourth proportional to 89,127.30, 122,993.70 and 48,840.18 is: 67,398.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,127.30 : 122,993.70 = 48,840.18 : x
  2. Step 2: Convert to fraction form
    89,127.30/122,993.70 = 48,840.18/x
  3. Step 3: Cross multiply
    89,127.30x = 122,993.70 × 48,840.18
  4. Step 4: Simplify right side
    89,127.30x = 6,007,034,446.87
  5. Step 5: Solve for x
    x = 6,007,034,446.87/89,127.30
  6. Step 6: Final answer
    x = 67,398.37

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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.