Home / 103,850.92-143,316.60-61,410.16

Finding the Fourth Proportional to 103,850.92, 143,316.60 and 61,410.16

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Solution

The fourth proportional to 103,850.92, 143,316.60 and 61,410.16 is: 84,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,850.92 : 143,316.60 = 61,410.16 : x
  2. Step 2: Convert to fraction form
    103,850.92/143,316.60 = 61,410.16/x
  3. Step 3: Cross multiply
    103,850.92x = 143,316.60 × 61,410.16
  4. Step 4: Simplify right side
    103,850.92x = 8,801,095,336.66
  5. Step 5: Solve for x
    x = 8,801,095,336.66/103,850.92
  6. Step 6: Final answer
    x = 84,747.40

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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.