Home / 85,285.80-117,694.86-47,046.69

Finding the Fourth Proportional to 85,285.80, 117,694.86 and 47,046.69

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Solution

The fourth proportional to 85,285.80, 117,694.86 and 47,046.69 is: 64,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,285.80 : 117,694.86 = 47,046.69 : x
  2. Step 2: Convert to fraction form
    85,285.80/117,694.86 = 47,046.69/x
  3. Step 3: Cross multiply
    85,285.80x = 117,694.86 × 47,046.69
  4. Step 4: Simplify right side
    85,285.80x = 5,537,153,593.01
  5. Step 5: Solve for x
    x = 5,537,153,593.01/85,285.80
  6. Step 6: Final answer
    x = 64,924.68

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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.