Home / 86,214.52-118,975.50-48,489.16

Finding the Fourth Proportional to 86,214.52, 118,975.50 and 48,489.16

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Solution

The fourth proportional to 86,214.52, 118,975.50 and 48,489.16 is: 66,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,214.52 : 118,975.50 = 48,489.16 : x
  2. Step 2: Convert to fraction form
    86,214.52/118,975.50 = 48,489.16/x
  3. Step 3: Cross multiply
    86,214.52x = 118,975.50 × 48,489.16
  4. Step 4: Simplify right side
    86,214.52x = 5,769,022,055.58
  5. Step 5: Solve for x
    x = 5,769,022,055.58/86,214.52
  6. Step 6: Final answer
    x = 66,914.74

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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.