Home / 57,270.36-79,035.81-35,772.84

Finding the Fourth Proportional to 57,270.36, 79,035.81 and 35,772.84

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Solution

The fourth proportional to 57,270.36, 79,035.81 and 35,772.84 is: 49,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,270.36 : 79,035.81 = 35,772.84 : x
  2. Step 2: Convert to fraction form
    57,270.36/79,035.81 = 35,772.84/x
  3. Step 3: Cross multiply
    57,270.36x = 79,035.81 × 35,772.84
  4. Step 4: Simplify right side
    57,270.36x = 2,827,334,811.36
  5. Step 5: Solve for x
    x = 2,827,334,811.36/57,270.36
  6. Step 6: Final answer
    x = 49,368.20

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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.