Home / 85,284.30-117,692.79-47,045.19

Finding the Fourth Proportional to 85,284.30, 117,692.79 and 47,045.19

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Solution

The fourth proportional to 85,284.30, 117,692.79 and 47,045.19 is: 64,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,284.30 : 117,692.79 = 47,045.19 : x
  2. Step 2: Convert to fraction form
    85,284.30/117,692.79 = 47,045.19/x
  3. Step 3: Cross multiply
    85,284.30x = 117,692.79 × 47,045.19
  4. Step 4: Simplify right side
    85,284.30x = 5,536,879,667.18
  5. Step 5: Solve for x
    x = 5,536,879,667.18/85,284.30
  6. Step 6: Final answer
    x = 64,922.61

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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.