Home / 51,805.50-77,709.93-14,365.98

Finding the Fourth Proportional to 51,805.50, 77,709.93 and 14,365.98

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Solution

The fourth proportional to 51,805.50, 77,709.93 and 14,365.98 is: 21,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805.50 : 77,709.93 = 14,365.98 : x
  2. Step 2: Convert to fraction form
    51,805.50/77,709.93 = 14,365.98/x
  3. Step 3: Cross multiply
    51,805.50x = 77,709.93 × 14,365.98
  4. Step 4: Simplify right side
    51,805.50x = 1,116,379,300.18
  5. Step 5: Solve for x
    x = 1,116,379,300.18/51,805.50
  6. Step 6: Final answer
    x = 21,549.44

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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.