Home / 68,904-95,072.64-40,599.36

Finding the Fourth Proportional to 68,904, 95,072.64 and 40,599.36

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Solution

The fourth proportional to 68,904, 95,072.64 and 40,599.36 is: 56,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,904 : 95,072.64 = 40,599.36 : x
  2. Step 2: Convert to fraction form
    68,904/95,072.64 = 40,599.36/x
  3. Step 3: Cross multiply
    68,904x = 95,072.64 × 40,599.36
  4. Step 4: Simplify right side
    68,904x = 3,859,888,337.51
  5. Step 5: Solve for x
    x = 3,859,888,337.51/68,904
  6. Step 6: Final answer
    x = 56,018.35

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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.