Home / 55,136.64-76,064.16-33,903.36

Finding the Fourth Proportional to 55,136.64, 76,064.16 and 33,903.36

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Solution

The fourth proportional to 55,136.64, 76,064.16 and 33,903.36 is: 46,771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,136.64 : 76,064.16 = 33,903.36 : x
  2. Step 2: Convert to fraction form
    55,136.64/76,064.16 = 33,903.36/x
  3. Step 3: Cross multiply
    55,136.64x = 76,064.16 × 33,903.36
  4. Step 4: Simplify right side
    55,136.64x = 2,578,830,599.58
  5. Step 5: Solve for x
    x = 2,578,830,599.58/55,136.64
  6. Step 6: Final answer
    x = 46,771.63

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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.