Home / 82,014.64-113,184.40-50,173.60

Finding the Fourth Proportional to 82,014.64, 113,184.40 and 50,173.60

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Solution

The fourth proportional to 82,014.64, 113,184.40 and 50,173.60 is: 69,242.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,014.64 : 113,184.40 = 50,173.60 : x
  2. Step 2: Convert to fraction form
    82,014.64/113,184.40 = 50,173.60/x
  3. Step 3: Cross multiply
    82,014.64x = 113,184.40 × 50,173.60
  4. Step 4: Simplify right side
    82,014.64x = 5,678,868,811.84
  5. Step 5: Solve for x
    x = 5,678,868,811.84/82,014.64
  6. Step 6: Final answer
    x = 69,242.14

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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.