Home / 86,083.30-118,806.05-48,364.84

Finding the Fourth Proportional to 86,083.30, 118,806.05 and 48,364.84

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Solution

The fourth proportional to 86,083.30, 118,806.05 and 48,364.84 is: 66,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,083.30 : 118,806.05 = 48,364.84 : x
  2. Step 2: Convert to fraction form
    86,083.30/118,806.05 = 48,364.84/x
  3. Step 3: Cross multiply
    86,083.30x = 118,806.05 × 48,364.84
  4. Step 4: Simplify right side
    86,083.30x = 5,746,035,599.28
  5. Step 5: Solve for x
    x = 5,746,035,599.28/86,083.30
  6. Step 6: Final answer
    x = 66,749.71

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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.