Home / 77,588.36-107,104.50-68,257.16

Finding the Fourth Proportional to 77,588.36, 107,104.50 and 68,257.16

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Solution

The fourth proportional to 77,588.36, 107,104.50 and 68,257.16 is: 94,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,588.36 : 107,104.50 = 68,257.16 : x
  2. Step 2: Convert to fraction form
    77,588.36/107,104.50 = 68,257.16/x
  3. Step 3: Cross multiply
    77,588.36x = 107,104.50 × 68,257.16
  4. Step 4: Simplify right side
    77,588.36x = 7,310,648,993.22
  5. Step 5: Solve for x
    x = 7,310,648,993.22/77,588.36
  6. Step 6: Final answer
    x = 94,223.53

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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.