Home / 86,062.44-118,800-54,225.36

Finding the Fourth Proportional to 86,062.44, 118,800 and 54,225.36

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Solution

The fourth proportional to 86,062.44, 118,800 and 54,225.36 is: 74,852.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,062.44 : 118,800 = 54,225.36 : x
  2. Step 2: Convert to fraction form
    86,062.44/118,800 = 54,225.36/x
  3. Step 3: Cross multiply
    86,062.44x = 118,800 × 54,225.36
  4. Step 4: Simplify right side
    86,062.44x = 6,441,972,768
  5. Step 5: Solve for x
    x = 6,441,972,768/86,062.44
  6. Step 6: Final answer
    x = 74,852.31

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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.