Home / 85,846.14-128,804.64-46,356.75

Finding the Fourth Proportional to 85,846.14, 128,804.64 and 46,356.75

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Solution

The fourth proportional to 85,846.14, 128,804.64 and 46,356.75 is: 69,554.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,846.14 : 128,804.64 = 46,356.75 : x
  2. Step 2: Convert to fraction form
    85,846.14/128,804.64 = 46,356.75/x
  3. Step 3: Cross multiply
    85,846.14x = 128,804.64 × 46,356.75
  4. Step 4: Simplify right side
    85,846.14x = 5,970,964,495.32
  5. Step 5: Solve for x
    x = 5,970,964,495.32/85,846.14
  6. Step 6: Final answer
    x = 69,554.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.