Home / 86,238.08-118,999.04-48,511.68

Finding the Fourth Proportional to 86,238.08, 118,999.04 and 48,511.68

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Solution

The fourth proportional to 86,238.08, 118,999.04 and 48,511.68 is: 66,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,238.08 : 118,999.04 = 48,511.68 : x
  2. Step 2: Convert to fraction form
    86,238.08/118,999.04 = 48,511.68/x
  3. Step 3: Cross multiply
    86,238.08x = 118,999.04 × 48,511.68
  4. Step 4: Simplify right side
    86,238.08x = 5,772,843,348.79
  5. Step 5: Solve for x
    x = 5,772,843,348.79/86,238.08
  6. Step 6: Final answer
    x = 66,940.77

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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.