Home / 82,473.03-123,495.39-70,702.11

Finding the Fourth Proportional to 82,473.03, 123,495.39 and 70,702.11

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Solution

The fourth proportional to 82,473.03, 123,495.39 and 70,702.11 is: 105,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,473.03 : 123,495.39 = 70,702.11 : x
  2. Step 2: Convert to fraction form
    82,473.03/123,495.39 = 70,702.11/x
  3. Step 3: Cross multiply
    82,473.03x = 123,495.39 × 70,702.11
  4. Step 4: Simplify right side
    82,473.03x = 8,731,384,648.27
  5. Step 5: Solve for x
    x = 8,731,384,648.27/82,473.03
  6. Step 6: Final answer
    x = 105,869.58

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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.