Home / 88,331.08-121,894.50-50,097.64

Finding the Fourth Proportional to 88,331.08, 121,894.50 and 50,097.64

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Solution

The fourth proportional to 88,331.08, 121,894.50 and 50,097.64 is: 69,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,331.08 : 121,894.50 = 50,097.64 : x
  2. Step 2: Convert to fraction form
    88,331.08/121,894.50 = 50,097.64/x
  3. Step 3: Cross multiply
    88,331.08x = 121,894.50 × 50,097.64
  4. Step 4: Simplify right side
    88,331.08x = 6,106,626,778.98
  5. Step 5: Solve for x
    x = 6,106,626,778.98/88,331.08
  6. Step 6: Final answer
    x = 69,133.39

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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.