Home / 89,055.86-122,896.16-48,219.28

Finding the Fourth Proportional to 89,055.86, 122,896.16 and 48,219.28

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Solution

The fourth proportional to 89,055.86, 122,896.16 and 48,219.28 is: 66,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,055.86 : 122,896.16 = 48,219.28 : x
  2. Step 2: Convert to fraction form
    89,055.86/122,896.16 = 48,219.28/x
  3. Step 3: Cross multiply
    89,055.86x = 122,896.16 × 48,219.28
  4. Step 4: Simplify right side
    89,055.86x = 5,925,964,108.87
  5. Step 5: Solve for x
    x = 5,925,964,108.87/89,055.86
  6. Step 6: Final answer
    x = 66,542.11

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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.