Home / 57,236.64-78,975.36-31,741.98

Finding the Fourth Proportional to 57,236.64, 78,975.36 and 31,741.98

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Solution

The fourth proportional to 57,236.64, 78,975.36 and 31,741.98 is: 43,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,236.64 : 78,975.36 = 31,741.98 : x
  2. Step 2: Convert to fraction form
    57,236.64/78,975.36 = 31,741.98/x
  3. Step 3: Cross multiply
    57,236.64x = 78,975.36 × 31,741.98
  4. Step 4: Simplify right side
    57,236.64x = 2,506,834,297.61
  5. Step 5: Solve for x
    x = 2,506,834,297.61/57,236.64
  6. Step 6: Final answer
    x = 43,797.72

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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.