Home / 117,591.74-162,272.86-66,609.17

Finding the Fourth Proportional to 117,591.74, 162,272.86 and 66,609.17

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Solution

The fourth proportional to 117,591.74, 162,272.86 and 66,609.17 is: 91,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,591.74 : 162,272.86 = 66,609.17 : x
  2. Step 2: Convert to fraction form
    117,591.74/162,272.86 = 66,609.17/x
  3. Step 3: Cross multiply
    117,591.74x = 162,272.86 × 66,609.17
  4. Step 4: Simplify right side
    117,591.74x = 10,808,860,518.13
  5. Step 5: Solve for x
    x = 10,808,860,518.13/117,591.74
  6. Step 6: Final answer
    x = 91,918.54

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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.