Home / 117,914.58-162,713.90-66,928.35

Finding the Fourth Proportional to 117,914.58, 162,713.90 and 66,928.35

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Solution

The fourth proportional to 117,914.58, 162,713.90 and 66,928.35 is: 92,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,914.58 : 162,713.90 = 66,928.35 : x
  2. Step 2: Convert to fraction form
    117,914.58/162,713.90 = 66,928.35/x
  3. Step 3: Cross multiply
    117,914.58x = 162,713.90 × 66,928.35
  4. Step 4: Simplify right side
    117,914.58x = 10,890,172,849.07
  5. Step 5: Solve for x
    x = 10,890,172,849.07/117,914.58
  6. Step 6: Final answer
    x = 92,356.46

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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.