Home / 86,878.53-119,883.60-48,635.61

Finding the Fourth Proportional to 86,878.53, 119,883.60 and 48,635.61

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Solution

The fourth proportional to 86,878.53, 119,883.60 and 48,635.61 is: 67,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,878.53 : 119,883.60 = 48,635.61 : x
  2. Step 2: Convert to fraction form
    86,878.53/119,883.60 = 48,635.61/x
  3. Step 3: Cross multiply
    86,878.53x = 119,883.60 × 48,635.61
  4. Step 4: Simplify right side
    86,878.53x = 5,830,612,015.00
  5. Step 5: Solve for x
    x = 5,830,612,015.00/86,878.53
  6. Step 6: Final answer
    x = 67,112.23

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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.