Home / 78,767.16-108,694.88-46,935.36

Finding the Fourth Proportional to 78,767.16, 108,694.88 and 46,935.36

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Solution

The fourth proportional to 78,767.16, 108,694.88 and 46,935.36 is: 64,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,767.16 : 108,694.88 = 46,935.36 : x
  2. Step 2: Convert to fraction form
    78,767.16/108,694.88 = 46,935.36/x
  3. Step 3: Cross multiply
    78,767.16x = 108,694.88 × 46,935.36
  4. Step 4: Simplify right side
    78,767.16x = 5,101,633,322.96
  5. Step 5: Solve for x
    x = 5,101,633,322.96/78,767.16
  6. Step 6: Final answer
    x = 64,768.53

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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.