Home / 87,958.08-121,368.96-50,224.32

Finding the Fourth Proportional to 87,958.08, 121,368.96 and 50,224.32

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Solution

The fourth proportional to 87,958.08, 121,368.96 and 50,224.32 is: 69,302.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,958.08 : 121,368.96 = 50,224.32 : x
  2. Step 2: Convert to fraction form
    87,958.08/121,368.96 = 50,224.32/x
  3. Step 3: Cross multiply
    87,958.08x = 121,368.96 × 50,224.32
  4. Step 4: Simplify right side
    87,958.08x = 6,095,673,485.11
  5. Step 5: Solve for x
    x = 6,095,673,485.11/87,958.08
  6. Step 6: Final answer
    x = 69,302.03

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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.