Home / 84,940.69-127,411.81-25,776.36

Finding the Fourth Proportional to 84,940.69, 127,411.81 and 25,776.36

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Solution

The fourth proportional to 84,940.69, 127,411.81 and 25,776.36 is: 38,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,940.69 : 127,411.81 = 25,776.36 : x
  2. Step 2: Convert to fraction form
    84,940.69/127,411.81 = 25,776.36/x
  3. Step 3: Cross multiply
    84,940.69x = 127,411.81 × 25,776.36
  4. Step 4: Simplify right side
    84,940.69x = 3,284,212,682.81
  5. Step 5: Solve for x
    x = 3,284,212,682.81/84,940.69
  6. Step 6: Final answer
    x = 38,664.78

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1.5x scale

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.