Home / 86,074.89-118,794.48-48,349.14

Finding the Fourth Proportional to 86,074.89, 118,794.48 and 48,349.14

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Solution

The fourth proportional to 86,074.89, 118,794.48 and 48,349.14 is: 66,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,074.89 : 118,794.48 = 48,349.14 : x
  2. Step 2: Convert to fraction form
    86,074.89/118,794.48 = 48,349.14/x
  3. Step 3: Cross multiply
    86,074.89x = 118,794.48 × 48,349.14
  4. Step 4: Simplify right side
    86,074.89x = 5,743,610,944.75
  5. Step 5: Solve for x
    x = 5,743,610,944.75/86,074.89
  6. Step 6: Final answer
    x = 66,728.07

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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.