Home / 117,564.94-162,249.63-66,586.74

Finding the Fourth Proportional to 117,564.94, 162,249.63 and 66,586.74

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Solution

The fourth proportional to 117,564.94, 162,249.63 and 66,586.74 is: 91,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,564.94 : 162,249.63 = 66,586.74 : x
  2. Step 2: Convert to fraction form
    117,564.94/162,249.63 = 66,586.74/x
  3. Step 3: Cross multiply
    117,564.94x = 162,249.63 × 66,586.74
  4. Step 4: Simplify right side
    117,564.94x = 10,803,673,761.44
  5. Step 5: Solve for x
    x = 10,803,673,761.44/117,564.94
  6. Step 6: Final answer
    x = 91,895.37

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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.