Home / 86,077.01-118,782.45-47,839.24

Finding the Fourth Proportional to 86,077.01, 118,782.45 and 47,839.24

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Solution

The fourth proportional to 86,077.01, 118,782.45 and 47,839.24 is: 66,016.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,077.01 : 118,782.45 = 47,839.24 : x
  2. Step 2: Convert to fraction form
    86,077.01/118,782.45 = 47,839.24/x
  3. Step 3: Cross multiply
    86,077.01x = 118,782.45 × 47,839.24
  4. Step 4: Simplify right side
    86,077.01x = 5,682,462,281.82
  5. Step 5: Solve for x
    x = 5,682,462,281.82/86,077.01
  6. Step 6: Final answer
    x = 66,016.03

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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.