Home / 84,365.06-126,559.84-28,188.48

Finding the Fourth Proportional to 84,365.06, 126,559.84 and 28,188.48

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Solution

The fourth proportional to 84,365.06, 126,559.84 and 28,188.48 is: 42,286.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,365.06 : 126,559.84 = 28,188.48 : x
  2. Step 2: Convert to fraction form
    84,365.06/126,559.84 = 28,188.48/x
  3. Step 3: Cross multiply
    84,365.06x = 126,559.84 × 28,188.48
  4. Step 4: Simplify right side
    84,365.06x = 3,567,529,518.64
  5. Step 5: Solve for x
    x = 3,567,529,518.64/84,365.06
  6. Step 6: Final answer
    x = 42,286.81

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1.5x scale

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.