Home / 85,287.32-117,696.62-47,046.01

Finding the Fourth Proportional to 85,287.32, 117,696.62 and 47,046.01

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Solution

The fourth proportional to 85,287.32, 117,696.62 and 47,046.01 is: 64,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,287.32 : 117,696.62 = 47,046.01 : x
  2. Step 2: Convert to fraction form
    85,287.32/117,696.62 = 47,046.01/x
  3. Step 3: Cross multiply
    85,287.32x = 117,696.62 × 47,046.01
  4. Step 4: Simplify right side
    85,287.32x = 5,537,155,537.77
  5. Step 5: Solve for x
    x = 5,537,155,537.77/85,287.32
  6. Step 6: Final answer
    x = 64,923.55

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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.