Home / 60,431.64-90,640.24-16,061.80

Finding the Fourth Proportional to 60,431.64, 90,640.24 and 16,061.80

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Solution

The fourth proportional to 60,431.64, 90,640.24 and 16,061.80 is: 24,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,431.64 : 90,640.24 = 16,061.80 : x
  2. Step 2: Convert to fraction form
    60,431.64/90,640.24 = 16,061.80/x
  3. Step 3: Cross multiply
    60,431.64x = 90,640.24 × 16,061.80
  4. Step 4: Simplify right side
    60,431.64x = 1,455,845,406.83
  5. Step 5: Solve for x
    x = 1,455,845,406.83/60,431.64
  6. Step 6: Final answer
    x = 24,090.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.