Home / 69,065.03-95,308.16-42,207.45

Finding the Fourth Proportional to 69,065.03, 95,308.16 and 42,207.45

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Solution

The fourth proportional to 69,065.03, 95,308.16 and 42,207.45 is: 58,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,065.03 : 95,308.16 = 42,207.45 : x
  2. Step 2: Convert to fraction form
    69,065.03/95,308.16 = 42,207.45/x
  3. Step 3: Cross multiply
    69,065.03x = 95,308.16 × 42,207.45
  4. Step 4: Simplify right side
    69,065.03x = 4,022,714,186.75
  5. Step 5: Solve for x
    x = 4,022,714,186.75/69,065.03
  6. Step 6: Final answer
    x = 58,245.32

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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.