Home / 87,821.32-121,193.62-50,094.60

Finding the Fourth Proportional to 87,821.32, 121,193.62 and 50,094.60

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Solution

The fourth proportional to 87,821.32, 121,193.62 and 50,094.60 is: 69,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,821.32 : 121,193.62 = 50,094.60 : x
  2. Step 2: Convert to fraction form
    87,821.32/121,193.62 = 50,094.60/x
  3. Step 3: Cross multiply
    87,821.32x = 121,193.62 × 50,094.60
  4. Step 4: Simplify right side
    87,821.32x = 6,071,145,916.45
  5. Step 5: Solve for x
    x = 6,071,145,916.45/87,821.32
  6. Step 6: Final answer
    x = 69,130.66

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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.