Home / 78,208.56-107,902.44-44,213.76

Finding the Fourth Proportional to 78,208.56, 107,902.44 and 44,213.76

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Solution

The fourth proportional to 78,208.56, 107,902.44 and 44,213.76 is: 61,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,208.56 : 107,902.44 = 44,213.76 : x
  2. Step 2: Convert to fraction form
    78,208.56/107,902.44 = 44,213.76/x
  3. Step 3: Cross multiply
    78,208.56x = 107,902.44 × 44,213.76
  4. Step 4: Simplify right side
    78,208.56x = 4,770,772,585.57
  5. Step 5: Solve for x
    x = 4,770,772,585.57/78,208.56
  6. Step 6: Final answer
    x = 61,000.64

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1.5x scale

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.