Home / 86,698.38-130,046.96-44,590.20

Finding the Fourth Proportional to 86,698.38, 130,046.96 and 44,590.20

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Solution

The fourth proportional to 86,698.38, 130,046.96 and 44,590.20 is: 66,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,698.38 : 130,046.96 = 44,590.20 : x
  2. Step 2: Convert to fraction form
    86,698.38/130,046.96 = 44,590.20/x
  3. Step 3: Cross multiply
    86,698.38x = 130,046.96 × 44,590.20
  4. Step 4: Simplify right side
    86,698.38x = 5,798,819,656.22
  5. Step 5: Solve for x
    x = 5,798,819,656.22/86,698.38
  6. Step 6: Final answer
    x = 66,884.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.