Home / 111,935.79-154,467.54-60,947.51

Finding the Fourth Proportional to 111,935.79, 154,467.54 and 60,947.51

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Solution

The fourth proportional to 111,935.79, 154,467.54 and 60,947.51 is: 84,105.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,935.79 : 154,467.54 = 60,947.51 : x
  2. Step 2: Convert to fraction form
    111,935.79/154,467.54 = 60,947.51/x
  3. Step 3: Cross multiply
    111,935.79x = 154,467.54 × 60,947.51
  4. Step 4: Simplify right side
    111,935.79x = 9,414,411,166.49
  5. Step 5: Solve for x
    x = 9,414,411,166.49/111,935.79
  6. Step 6: Final answer
    x = 84,105.46

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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.