Home / 51,485.49-77,220.30-14,048.61

Finding the Fourth Proportional to 51,485.49, 77,220.30 and 14,048.61

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Solution

The fourth proportional to 51,485.49, 77,220.30 and 14,048.61 is: 21,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,485.49 : 77,220.30 = 14,048.61 : x
  2. Step 2: Convert to fraction form
    51,485.49/77,220.30 = 14,048.61/x
  3. Step 3: Cross multiply
    51,485.49x = 77,220.30 × 14,048.61
  4. Step 4: Simplify right side
    51,485.49x = 1,084,837,878.78
  5. Step 5: Solve for x
    x = 1,084,837,878.78/51,485.49
  6. Step 6: Final answer
    x = 21,070.75

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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.