Home / 57,343.44-79,131.25-31,851.45

Finding the Fourth Proportional to 57,343.44, 79,131.25 and 31,851.45

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Solution

The fourth proportional to 57,343.44, 79,131.25 and 31,851.45 is: 43,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,343.44 : 79,131.25 = 31,851.45 : x
  2. Step 2: Convert to fraction form
    57,343.44/79,131.25 = 31,851.45/x
  3. Step 3: Cross multiply
    57,343.44x = 79,131.25 × 31,851.45
  4. Step 4: Simplify right side
    57,343.44x = 2,520,445,052.81
  5. Step 5: Solve for x
    x = 2,520,445,052.81/57,343.44
  6. Step 6: Final answer
    x = 43,953.50

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1.5x scale

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.