Home / 85,934.34-118,590.30-47,694.60

Finding the Fourth Proportional to 85,934.34, 118,590.30 and 47,694.60

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Solution

The fourth proportional to 85,934.34, 118,590.30 and 47,694.60 is: 65,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,934.34 : 118,590.30 = 47,694.60 : x
  2. Step 2: Convert to fraction form
    85,934.34/118,590.30 = 47,694.60/x
  3. Step 3: Cross multiply
    85,934.34x = 118,590.30 × 47,694.60
  4. Step 4: Simplify right side
    85,934.34x = 5,656,116,922.38
  5. Step 5: Solve for x
    x = 5,656,116,922.38/85,934.34
  6. Step 6: Final answer
    x = 65,819.05

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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.