Home / 89,091.42-122,942.51-53,260.26

Finding the Fourth Proportional to 89,091.42, 122,942.51 and 53,260.26

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Solution

The fourth proportional to 89,091.42, 122,942.51 and 53,260.26 is: 73,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,091.42 : 122,942.51 = 53,260.26 : x
  2. Step 2: Convert to fraction form
    89,091.42/122,942.51 = 53,260.26/x
  3. Step 3: Cross multiply
    89,091.42x = 122,942.51 × 53,260.26
  4. Step 4: Simplify right side
    89,091.42x = 6,547,949,166.64
  5. Step 5: Solve for x
    x = 6,547,949,166.64/89,091.42
  6. Step 6: Final answer
    x = 73,496.97

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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.