Home / 117,704.90-162,435.96-63,993.53

Finding the Fourth Proportional to 117,704.90, 162,435.96 and 63,993.53

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Solution

The fourth proportional to 117,704.90, 162,435.96 and 63,993.53 is: 88,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,704.90 : 162,435.96 = 63,993.53 : x
  2. Step 2: Convert to fraction form
    117,704.90/162,435.96 = 63,993.53/x
  3. Step 3: Cross multiply
    117,704.90x = 162,435.96 × 63,993.53
  4. Step 4: Simplify right side
    117,704.90x = 10,394,849,667.16
  5. Step 5: Solve for x
    x = 10,394,849,667.16/117,704.90
  6. Step 6: Final answer
    x = 88,312.81

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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.