Home / 86,153.25-118,890.32-48,427.59

Finding the Fourth Proportional to 86,153.25, 118,890.32 and 48,427.59

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Solution

The fourth proportional to 86,153.25, 118,890.32 and 48,427.59 is: 66,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,153.25 : 118,890.32 = 48,427.59 : x
  2. Step 2: Convert to fraction form
    86,153.25/118,890.32 = 48,427.59/x
  3. Step 3: Cross multiply
    86,153.25x = 118,890.32 × 48,427.59
  4. Step 4: Simplify right side
    86,153.25x = 5,757,571,429.79
  5. Step 5: Solve for x
    x = 5,757,571,429.79/86,153.25
  6. Step 6: Final answer
    x = 66,829.42

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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.