Home / 83,930.10-125,895.15-46,605.30

Finding the Fourth Proportional to 83,930.10, 125,895.15 and 46,605.30

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Solution

The fourth proportional to 83,930.10, 125,895.15 and 46,605.30 is: 69,907.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,930.10 : 125,895.15 = 46,605.30 : x
  2. Step 2: Convert to fraction form
    83,930.10/125,895.15 = 46,605.30/x
  3. Step 3: Cross multiply
    83,930.10x = 125,895.15 × 46,605.30
  4. Step 4: Simplify right side
    83,930.10x = 5,867,381,234.30
  5. Step 5: Solve for x
    x = 5,867,381,234.30/83,930.10
  6. Step 6: Final answer
    x = 69,907.95

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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.