Home / 112,458.48-155,196-61,474.02

Finding the Fourth Proportional to 112,458.48, 155,196 and 61,474.02

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Solution

The fourth proportional to 112,458.48, 155,196 and 61,474.02 is: 84,835.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,458.48 : 155,196 = 61,474.02 : x
  2. Step 2: Convert to fraction form
    112,458.48/155,196 = 61,474.02/x
  3. Step 3: Cross multiply
    112,458.48x = 155,196 × 61,474.02
  4. Step 4: Simplify right side
    112,458.48x = 9,540,522,007.92
  5. Step 5: Solve for x
    x = 9,540,522,007.92/112,458.48
  6. Step 6: Final answer
    x = 84,835.95

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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.