Home / 53,361.64-80,090.70-28,422.52

Finding the Fourth Proportional to 53,361.64, 80,090.70 and 28,422.52

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Solution

The fourth proportional to 53,361.64, 80,090.70 and 28,422.52 is: 42,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,361.64 : 80,090.70 = 28,422.52 : x
  2. Step 2: Convert to fraction form
    53,361.64/80,090.70 = 28,422.52/x
  3. Step 3: Cross multiply
    53,361.64x = 80,090.70 × 28,422.52
  4. Step 4: Simplify right side
    53,361.64x = 2,276,379,522.56
  5. Step 5: Solve for x
    x = 2,276,379,522.56/53,361.64
  6. Step 6: Final answer
    x = 42,659.47

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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.