Home / 112,851.54-155,734.64-62,550.54

Finding the Fourth Proportional to 112,851.54, 155,734.64 and 62,550.54

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Solution

The fourth proportional to 112,851.54, 155,734.64 and 62,550.54 is: 86,319.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,851.54 : 155,734.64 = 62,550.54 : x
  2. Step 2: Convert to fraction form
    112,851.54/155,734.64 = 62,550.54/x
  3. Step 3: Cross multiply
    112,851.54x = 155,734.64 × 62,550.54
  4. Step 4: Simplify right side
    112,851.54x = 9,741,285,828.71
  5. Step 5: Solve for x
    x = 9,741,285,828.71/112,851.54
  6. Step 6: Final answer
    x = 86,319.48

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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.