Home / 117,690.03-162,408.83-63,973.67

Finding the Fourth Proportional to 117,690.03, 162,408.83 and 63,973.67

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Solution

The fourth proportional to 117,690.03, 162,408.83 and 63,973.67 is: 88,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,690.03 : 162,408.83 = 63,973.67 : x
  2. Step 2: Convert to fraction form
    117,690.03/162,408.83 = 63,973.67/x
  3. Step 3: Cross multiply
    117,690.03x = 162,408.83 × 63,973.67
  4. Step 4: Simplify right side
    117,690.03x = 10,389,887,763.59
  5. Step 5: Solve for x
    x = 10,389,887,763.59/117,690.03
  6. Step 6: Final answer
    x = 88,281.80

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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.