Home / 117,552.86-162,224.82-66,564.21

Finding the Fourth Proportional to 117,552.86, 162,224.82 and 66,564.21

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Solution

The fourth proportional to 117,552.86, 162,224.82 and 66,564.21 is: 91,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,552.86 : 162,224.82 = 66,564.21 : x
  2. Step 2: Convert to fraction form
    117,552.86/162,224.82 = 66,564.21/x
  3. Step 3: Cross multiply
    117,552.86x = 162,224.82 × 66,564.21
  4. Step 4: Simplify right side
    117,552.86x = 10,798,366,985.69
  5. Step 5: Solve for x
    x = 10,798,366,985.69/117,552.86
  6. Step 6: Final answer
    x = 91,859.67

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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.