Home / 82,664.50-113,969.93-53,541.05

Finding the Fourth Proportional to 82,664.50, 113,969.93 and 53,541.05

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Solution

The fourth proportional to 82,664.50, 113,969.93 and 53,541.05 is: 73,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,664.50 : 113,969.93 = 53,541.05 : x
  2. Step 2: Convert to fraction form
    82,664.50/113,969.93 = 53,541.05/x
  3. Step 3: Cross multiply
    82,664.50x = 113,969.93 × 53,541.05
  4. Step 4: Simplify right side
    82,664.50x = 6,102,069,720.63
  5. Step 5: Solve for x
    x = 6,102,069,720.63/82,664.50
  6. Step 6: Final answer
    x = 73,817.29

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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.