Home / 47,773.22-65,956.56-30,783.48

Finding the Fourth Proportional to 47,773.22, 65,956.56 and 30,783.48

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Solution

The fourth proportional to 47,773.22, 65,956.56 and 30,783.48 is: 42,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,773.22 : 65,956.56 = 30,783.48 : x
  2. Step 2: Convert to fraction form
    47,773.22/65,956.56 = 30,783.48/x
  3. Step 3: Cross multiply
    47,773.22x = 65,956.56 × 30,783.48
  4. Step 4: Simplify right side
    47,773.22x = 2,030,372,445.63
  5. Step 5: Solve for x
    x = 2,030,372,445.63/47,773.22
  6. Step 6: Final answer
    x = 42,500.22

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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.