Home / 85,495.58-117,983.62-47,769.82

Finding the Fourth Proportional to 85,495.58, 117,983.62 and 47,769.82

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Solution

The fourth proportional to 85,495.58, 117,983.62 and 47,769.82 is: 65,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,495.58 : 117,983.62 = 47,769.82 : x
  2. Step 2: Convert to fraction form
    85,495.58/117,983.62 = 47,769.82/x
  3. Step 3: Cross multiply
    85,495.58x = 117,983.62 × 47,769.82
  4. Step 4: Simplify right side
    85,495.58x = 5,636,056,290.35
  5. Step 5: Solve for x
    x = 5,636,056,290.35/85,495.58
  6. Step 6: Final answer
    x = 65,922.19

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1.5x scale

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.