Home / 51,851.98-77,778.43-14,415.00

Finding the Fourth Proportional to 51,851.98, 77,778.43 and 14,415.00

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Solution

The fourth proportional to 51,851.98, 77,778.43 and 14,415.00 is: 21,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,851.98 : 77,778.43 = 14,415.00 : x
  2. Step 2: Convert to fraction form
    51,851.98/77,778.43 = 14,415.00/x
  3. Step 3: Cross multiply
    51,851.98x = 77,778.43 × 14,415.00
  4. Step 4: Simplify right side
    51,851.98x = 1,121,175,740.74
  5. Step 5: Solve for x
    x = 1,121,175,740.74/51,851.98
  6. Step 6: Final answer
    x = 21,622.62

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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.