Home / 77,334.09-106,715.97-45,496.86

Finding the Fourth Proportional to 77,334.09, 106,715.97 and 45,496.86

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Solution

The fourth proportional to 77,334.09, 106,715.97 and 45,496.86 is: 62,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,334.09 : 106,715.97 = 45,496.86 : x
  2. Step 2: Convert to fraction form
    77,334.09/106,715.97 = 45,496.86/x
  3. Step 3: Cross multiply
    77,334.09x = 106,715.97 × 45,496.86
  4. Step 4: Simplify right side
    77,334.09x = 4,855,241,546.85
  5. Step 5: Solve for x
    x = 4,855,241,546.85/77,334.09
  6. Step 6: Final answer
    x = 62,782.68

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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.