Home / 82,675.23-124,068-53,114.28

Finding the Fourth Proportional to 82,675.23, 124,068 and 53,114.28

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Solution

The fourth proportional to 82,675.23, 124,068 and 53,114.28 is: 79,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,675.23 : 124,068 = 53,114.28 : x
  2. Step 2: Convert to fraction form
    82,675.23/124,068 = 53,114.28/x
  3. Step 3: Cross multiply
    82,675.23x = 124,068 × 53,114.28
  4. Step 4: Simplify right side
    82,675.23x = 6,589,782,491.04
  5. Step 5: Solve for x
    x = 6,589,782,491.04/82,675.23
  6. Step 6: Final answer
    x = 79,706.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.