Home / 77,888.21-116,832.83-27,968.76

Finding the Fourth Proportional to 77,888.21, 116,832.83 and 27,968.76

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Solution

The fourth proportional to 77,888.21, 116,832.83 and 27,968.76 is: 41,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,888.21 : 116,832.83 = 27,968.76 : x
  2. Step 2: Convert to fraction form
    77,888.21/116,832.83 = 27,968.76/x
  3. Step 3: Cross multiply
    77,888.21x = 116,832.83 × 27,968.76
  4. Step 4: Simplify right side
    77,888.21x = 3,267,669,242.55
  5. Step 5: Solve for x
    x = 3,267,669,242.55/77,888.21
  6. Step 6: Final answer
    x = 41,953.33

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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.