Home / 92,805.12-139,217.40-46,045.44

Finding the Fourth Proportional to 92,805.12, 139,217.40 and 46,045.44

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Solution

The fourth proportional to 92,805.12, 139,217.40 and 46,045.44 is: 69,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,805.12 : 139,217.40 = 46,045.44 : x
  2. Step 2: Convert to fraction form
    92,805.12/139,217.40 = 46,045.44/x
  3. Step 3: Cross multiply
    92,805.12x = 139,217.40 × 46,045.44
  4. Step 4: Simplify right side
    92,805.12x = 6,410,326,438.66
  5. Step 5: Solve for x
    x = 6,410,326,438.66/92,805.12
  6. Step 6: Final answer
    x = 69,072.98

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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.