Home / 50,915.04-76,374.72-31,181.28

Finding the Fourth Proportional to 50,915.04, 76,374.72 and 31,181.28

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Solution

The fourth proportional to 50,915.04, 76,374.72 and 31,181.28 is: 46,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,915.04 : 76,374.72 = 31,181.28 : x
  2. Step 2: Convert to fraction form
    50,915.04/76,374.72 = 31,181.28/x
  3. Step 3: Cross multiply
    50,915.04x = 76,374.72 × 31,181.28
  4. Step 4: Simplify right side
    50,915.04x = 2,381,461,529.24
  5. Step 5: Solve for x
    x = 2,381,461,529.24/50,915.04
  6. Step 6: Final answer
    x = 46,773.24

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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.