Home / 50,787.36-70,094.30-31,670.24

Finding the Fourth Proportional to 50,787.36, 70,094.30 and 31,670.24

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Solution

The fourth proportional to 50,787.36, 70,094.30 and 31,670.24 is: 43,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,787.36 : 70,094.30 = 31,670.24 : x
  2. Step 2: Convert to fraction form
    50,787.36/70,094.30 = 31,670.24/x
  3. Step 3: Cross multiply
    50,787.36x = 70,094.30 × 31,670.24
  4. Step 4: Simplify right side
    50,787.36x = 2,219,902,794.81
  5. Step 5: Solve for x
    x = 2,219,902,794.81/50,787.36
  6. Step 6: Final answer
    x = 43,709.75

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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.