Home / 86,171.06-118,916.07-48,445.58

Finding the Fourth Proportional to 86,171.06, 118,916.07 and 48,445.58

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Solution

The fourth proportional to 86,171.06, 118,916.07 and 48,445.58 is: 66,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,171.06 : 118,916.07 = 48,445.58 : x
  2. Step 2: Convert to fraction form
    86,171.06/118,916.07 = 48,445.58/x
  3. Step 3: Cross multiply
    86,171.06x = 118,916.07 × 48,445.58
  4. Step 4: Simplify right side
    86,171.06x = 5,760,958,098.09
  5. Step 5: Solve for x
    x = 5,760,958,098.09/86,171.06
  6. Step 6: Final answer
    x = 66,854.90

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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.