Home / 117,830.28-162,605.58-66,853.02

Finding the Fourth Proportional to 117,830.28, 162,605.58 and 66,853.02

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Solution

The fourth proportional to 117,830.28, 162,605.58 and 66,853.02 is: 92,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,830.28 : 162,605.58 = 66,853.02 : x
  2. Step 2: Convert to fraction form
    117,830.28/162,605.58 = 66,853.02/x
  3. Step 3: Cross multiply
    117,830.28x = 162,605.58 × 66,853.02
  4. Step 4: Simplify right side
    117,830.28x = 10,870,674,091.85
  5. Step 5: Solve for x
    x = 10,870,674,091.85/117,830.28
  6. Step 6: Final answer
    x = 92,257.05

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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.