Home / 112,848.06-169,382.25-53,724.54

Finding the Fourth Proportional to 112,848.06, 169,382.25 and 53,724.54

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Solution

The fourth proportional to 112,848.06, 169,382.25 and 53,724.54 is: 80,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,848.06 : 169,382.25 = 53,724.54 : x
  2. Step 2: Convert to fraction form
    112,848.06/169,382.25 = 53,724.54/x
  3. Step 3: Cross multiply
    112,848.06x = 169,382.25 × 53,724.54
  4. Step 4: Simplify right side
    112,848.06x = 9,099,983,465.42
  5. Step 5: Solve for x
    x = 9,099,983,465.42/112,848.06
  6. Step 6: Final answer
    x = 80,639.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.