Home / 86,238.08-118,998.92-48,511.52

Finding the Fourth Proportional to 86,238.08, 118,998.92 and 48,511.52

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Solution

The fourth proportional to 86,238.08, 118,998.92 and 48,511.52 is: 66,940.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,238.08 : 118,998.92 = 48,511.52 : x
  2. Step 2: Convert to fraction form
    86,238.08/118,998.92 = 48,511.52/x
  3. Step 3: Cross multiply
    86,238.08x = 118,998.92 × 48,511.52
  4. Step 4: Simplify right side
    86,238.08x = 5,772,818,487.56
  5. Step 5: Solve for x
    x = 5,772,818,487.56/86,238.08
  6. Step 6: Final answer
    x = 66,940.48

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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.