Home / 51,566.98-71,161.86-28,909.66

Finding the Fourth Proportional to 51,566.98, 71,161.86 and 28,909.66

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Solution

The fourth proportional to 51,566.98, 71,161.86 and 28,909.66 is: 39,895.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,566.98 : 71,161.86 = 28,909.66 : x
  2. Step 2: Convert to fraction form
    51,566.98/71,161.86 = 28,909.66/x
  3. Step 3: Cross multiply
    51,566.98x = 71,161.86 × 28,909.66
  4. Step 4: Simplify right side
    51,566.98x = 2,057,265,177.57
  5. Step 5: Solve for x
    x = 2,057,265,177.57/51,566.98
  6. Step 6: Final answer
    x = 39,895.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.