Home / 104,118.44-143,686.05-63,854.40

Finding the Fourth Proportional to 104,118.44, 143,686.05 and 63,854.40

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Solution

The fourth proportional to 104,118.44, 143,686.05 and 63,854.40 is: 88,120.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,118.44 : 143,686.05 = 63,854.40 : x
  2. Step 2: Convert to fraction form
    104,118.44/143,686.05 = 63,854.40/x
  3. Step 3: Cross multiply
    104,118.44x = 143,686.05 × 63,854.40
  4. Step 4: Simplify right side
    104,118.44x = 9,174,986,765.55
  5. Step 5: Solve for x
    x = 9,174,986,765.55/104,118.44
  6. Step 6: Final answer
    x = 88,120.67

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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.