Home / 51,973.68-71,723.65-28,100.35

Finding the Fourth Proportional to 51,973.68, 71,723.65 and 28,100.35

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Solution

The fourth proportional to 51,973.68, 71,723.65 and 28,100.35 is: 38,778.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,973.68 : 71,723.65 = 28,100.35 : x
  2. Step 2: Convert to fraction form
    51,973.68/71,723.65 = 28,100.35/x
  3. Step 3: Cross multiply
    51,973.68x = 71,723.65 × 28,100.35
  4. Step 4: Simplify right side
    51,973.68x = 2,015,459,668.28
  5. Step 5: Solve for x
    x = 2,015,459,668.28/51,973.68
  6. Step 6: Final answer
    x = 38,778.47

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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.