Home / 78,142.24-107,842.08-44,154.64

Finding the Fourth Proportional to 78,142.24, 107,842.08 and 44,154.64

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Solution

The fourth proportional to 78,142.24, 107,842.08 and 44,154.64 is: 60,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,142.24 : 107,842.08 = 44,154.64 : x
  2. Step 2: Convert to fraction form
    78,142.24/107,842.08 = 44,154.64/x
  3. Step 3: Cross multiply
    78,142.24x = 107,842.08 × 44,154.64
  4. Step 4: Simplify right side
    78,142.24x = 4,761,728,219.25
  5. Step 5: Solve for x
    x = 4,761,728,219.25/78,142.24
  6. Step 6: Final answer
    x = 60,936.67

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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.