Home / 86,085.60-118,791.36-48,352.80

Finding the Fourth Proportional to 86,085.60, 118,791.36 and 48,352.80

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Solution

The fourth proportional to 86,085.60, 118,791.36 and 48,352.80 is: 66,723.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,085.60 : 118,791.36 = 48,352.80 : x
  2. Step 2: Convert to fraction form
    86,085.60/118,791.36 = 48,352.80/x
  3. Step 3: Cross multiply
    86,085.60x = 118,791.36 × 48,352.80
  4. Step 4: Simplify right side
    86,085.60x = 5,743,894,871.81
  5. Step 5: Solve for x
    x = 5,743,894,871.81/86,085.60
  6. Step 6: Final answer
    x = 66,723.06

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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.