Home / 82,428.38-113,751.23-44,702.63

Finding the Fourth Proportional to 82,428.38, 113,751.23 and 44,702.63

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Solution

The fourth proportional to 82,428.38, 113,751.23 and 44,702.63 is: 61,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,428.38 : 113,751.23 = 44,702.63 : x
  2. Step 2: Convert to fraction form
    82,428.38/113,751.23 = 44,702.63/x
  3. Step 3: Cross multiply
    82,428.38x = 113,751.23 × 44,702.63
  4. Step 4: Simplify right side
    82,428.38x = 5,084,978,354.47
  5. Step 5: Solve for x
    x = 5,084,978,354.47/82,428.38
  6. Step 6: Final answer
    x = 61,689.66

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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.