Home / 112,940.52-169,416.54-42,825.64

Finding the Fourth Proportional to 112,940.52, 169,416.54 and 42,825.64

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Solution

The fourth proportional to 112,940.52, 169,416.54 and 42,825.64 is: 64,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,940.52 : 169,416.54 = 42,825.64 : x
  2. Step 2: Convert to fraction form
    112,940.52/169,416.54 = 42,825.64/x
  3. Step 3: Cross multiply
    112,940.52x = 169,416.54 × 42,825.64
  4. Step 4: Simplify right side
    112,940.52x = 7,255,371,752.09
  5. Step 5: Solve for x
    x = 7,255,371,752.09/112,940.52
  6. Step 6: Final answer
    x = 64,240.64

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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.