Home / 117,570.60-162,246.78-63,855.18

Finding the Fourth Proportional to 117,570.60, 162,246.78 and 63,855.18

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Solution

The fourth proportional to 117,570.60, 162,246.78 and 63,855.18 is: 88,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,570.60 : 162,246.78 = 63,855.18 : x
  2. Step 2: Convert to fraction form
    117,570.60/162,246.78 = 63,855.18/x
  3. Step 3: Cross multiply
    117,570.60x = 162,246.78 × 63,855.18
  4. Step 4: Simplify right side
    117,570.60x = 10,360,297,341.32
  5. Step 5: Solve for x
    x = 10,360,297,341.32/117,570.60
  6. Step 6: Final answer
    x = 88,119.80

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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.