Home / 86,012.33-118,681.35-52,016.09

Finding the Fourth Proportional to 86,012.33, 118,681.35 and 52,016.09

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Solution

The fourth proportional to 86,012.33, 118,681.35 and 52,016.09 is: 71,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,012.33 : 118,681.35 = 52,016.09 : x
  2. Step 2: Convert to fraction form
    86,012.33/118,681.35 = 52,016.09/x
  3. Step 3: Cross multiply
    86,012.33x = 118,681.35 × 52,016.09
  4. Step 4: Simplify right side
    86,012.33x = 6,173,339,189.51
  5. Step 5: Solve for x
    x = 6,173,339,189.51/86,012.33
  6. Step 6: Final answer
    x = 71,772.73

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1.5x scale

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.