Home / 49,118.63-67,794.64-31,210.13

Finding the Fourth Proportional to 49,118.63, 67,794.64 and 31,210.13

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Solution

The fourth proportional to 49,118.63, 67,794.64 and 31,210.13 is: 43,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,118.63 : 67,794.64 = 31,210.13 : x
  2. Step 2: Convert to fraction form
    49,118.63/67,794.64 = 31,210.13/x
  3. Step 3: Cross multiply
    49,118.63x = 67,794.64 × 31,210.13
  4. Step 4: Simplify right side
    49,118.63x = 2,115,879,619.16
  5. Step 5: Solve for x
    x = 2,115,879,619.16/49,118.63
  6. Step 6: Final answer
    x = 43,076.93

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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.