Home / 51,483.12-77,056.20-31,777.44

Finding the Fourth Proportional to 51,483.12, 77,056.20 and 31,777.44

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Solution

The fourth proportional to 51,483.12, 77,056.20 and 31,777.44 is: 47,562.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,483.12 : 77,056.20 = 31,777.44 : x
  2. Step 2: Convert to fraction form
    51,483.12/77,056.20 = 31,777.44/x
  3. Step 3: Cross multiply
    51,483.12x = 77,056.20 × 31,777.44
  4. Step 4: Simplify right side
    51,483.12x = 2,448,648,772.13
  5. Step 5: Solve for x
    x = 2,448,648,772.13/51,483.12
  6. Step 6: Final answer
    x = 47,562.17

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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.