Home / 86,489.22-119,360.64-48,254.54

Finding the Fourth Proportional to 86,489.22, 119,360.64 and 48,254.54

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Solution

The fourth proportional to 86,489.22, 119,360.64 and 48,254.54 is: 66,594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,489.22 : 119,360.64 = 48,254.54 : x
  2. Step 2: Convert to fraction form
    86,489.22/119,360.64 = 48,254.54/x
  3. Step 3: Cross multiply
    86,489.22x = 119,360.64 × 48,254.54
  4. Step 4: Simplify right side
    86,489.22x = 5,759,692,180.50
  5. Step 5: Solve for x
    x = 5,759,692,180.50/86,489.22
  6. Step 6: Final answer
    x = 66,594.34

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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.