Home / 86,164.56-118,782.48-57,044.16

Finding the Fourth Proportional to 86,164.56, 118,782.48 and 57,044.16

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Solution

The fourth proportional to 86,164.56, 118,782.48 and 57,044.16 is: 78,638.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,164.56 : 118,782.48 = 57,044.16 : x
  2. Step 2: Convert to fraction form
    86,164.56/118,782.48 = 57,044.16/x
  3. Step 3: Cross multiply
    86,164.56x = 118,782.48 × 57,044.16
  4. Step 4: Simplify right side
    86,164.56x = 6,775,846,794.32
  5. Step 5: Solve for x
    x = 6,775,846,794.32/86,164.56
  6. Step 6: Final answer
    x = 78,638.44

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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.