Home / 70,619.03-97,454.31-38,789.98

Finding the Fourth Proportional to 70,619.03, 97,454.31 and 38,789.98

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Solution

The fourth proportional to 70,619.03, 97,454.31 and 38,789.98 is: 53,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,619.03 : 97,454.31 = 38,789.98 : x
  2. Step 2: Convert to fraction form
    70,619.03/97,454.31 = 38,789.98/x
  3. Step 3: Cross multiply
    70,619.03x = 97,454.31 × 38,789.98
  4. Step 4: Simplify right side
    70,619.03x = 3,780,250,536.96
  5. Step 5: Solve for x
    x = 3,780,250,536.96/70,619.03
  6. Step 6: Final answer
    x = 53,530.20

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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.