Home / 50,973.12-70,346.52-28,313.28

Finding the Fourth Proportional to 50,973.12, 70,346.52 and 28,313.28

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Solution

The fourth proportional to 50,973.12, 70,346.52 and 28,313.28 is: 39,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,973.12 : 70,346.52 = 28,313.28 : x
  2. Step 2: Convert to fraction form
    50,973.12/70,346.52 = 28,313.28/x
  3. Step 3: Cross multiply
    50,973.12x = 70,346.52 × 28,313.28
  4. Step 4: Simplify right side
    50,973.12x = 1,991,740,717.79
  5. Step 5: Solve for x
    x = 1,991,740,717.79/50,973.12
  6. Step 6: Final answer
    x = 39,074.33

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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.