Home / 86,056.64-118,745.28-48,323.60

Finding the Fourth Proportional to 86,056.64, 118,745.28 and 48,323.60

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Solution

The fourth proportional to 86,056.64, 118,745.28 and 48,323.60 is: 66,679.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,056.64 : 118,745.28 = 48,323.60 : x
  2. Step 2: Convert to fraction form
    86,056.64/118,745.28 = 48,323.60/x
  3. Step 3: Cross multiply
    86,056.64x = 118,745.28 × 48,323.60
  4. Step 4: Simplify right side
    86,056.64x = 5,738,199,412.61
  5. Step 5: Solve for x
    x = 5,738,199,412.61/86,056.64
  6. Step 6: Final answer
    x = 66,679.33

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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.