Home / 51,199.36-70,664.16-40,669.36

Finding the Fourth Proportional to 51,199.36, 70,664.16 and 40,669.36

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Solution

The fourth proportional to 51,199.36, 70,664.16 and 40,669.36 is: 56,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,199.36 : 70,664.16 = 40,669.36 : x
  2. Step 2: Convert to fraction form
    51,199.36/70,664.16 = 40,669.36/x
  3. Step 3: Cross multiply
    51,199.36x = 70,664.16 × 40,669.36
  4. Step 4: Simplify right side
    51,199.36x = 2,873,866,162.14
  5. Step 5: Solve for x
    x = 2,873,866,162.14/51,199.36
  6. Step 6: Final answer
    x = 56,130.90

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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.