Home / 53,985.72-81,389.66-50,180.32

Finding the Fourth Proportional to 53,985.72, 81,389.66 and 50,180.32

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Solution

The fourth proportional to 53,985.72, 81,389.66 and 50,180.32 is: 75,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,985.72 : 81,389.66 = 50,180.32 : x
  2. Step 2: Convert to fraction form
    53,985.72/81,389.66 = 50,180.32/x
  3. Step 3: Cross multiply
    53,985.72x = 81,389.66 × 50,180.32
  4. Step 4: Simplify right side
    53,985.72x = 4,084,159,183.49
  5. Step 5: Solve for x
    x = 4,084,159,183.49/53,985.72
  6. Step 6: Final answer
    x = 75,652.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.