Home / 84,957.15-117,243.87-46,719.61

Finding the Fourth Proportional to 84,957.15, 117,243.87 and 46,719.61

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Solution

The fourth proportional to 84,957.15, 117,243.87 and 46,719.61 is: 64,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,957.15 : 117,243.87 = 46,719.61 : x
  2. Step 2: Convert to fraction form
    84,957.15/117,243.87 = 46,719.61/x
  3. Step 3: Cross multiply
    84,957.15x = 117,243.87 × 46,719.61
  4. Step 4: Simplify right side
    84,957.15x = 5,477,587,881.29
  5. Step 5: Solve for x
    x = 5,477,587,881.29/84,957.15
  6. Step 6: Final answer
    x = 64,474.71

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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.