Home / 86,023.20-118,708.56-48,296.64

Finding the Fourth Proportional to 86,023.20, 118,708.56 and 48,296.64

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Solution

The fourth proportional to 86,023.20, 118,708.56 and 48,296.64 is: 66,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,023.20 : 118,708.56 = 48,296.64 : x
  2. Step 2: Convert to fraction form
    86,023.20/118,708.56 = 48,296.64/x
  3. Step 3: Cross multiply
    86,023.20x = 118,708.56 × 48,296.64
  4. Step 4: Simplify right side
    86,023.20x = 5,733,224,587.24
  5. Step 5: Solve for x
    x = 5,733,224,587.24/86,023.20
  6. Step 6: Final answer
    x = 66,647.42

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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.