Home / 78,454.73-108,295.29-46,623.25

Finding the Fourth Proportional to 78,454.73, 108,295.29 and 46,623.25

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Solution

The fourth proportional to 78,454.73, 108,295.29 and 46,623.25 is: 64,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,454.73 : 108,295.29 = 46,623.25 : x
  2. Step 2: Convert to fraction form
    78,454.73/108,295.29 = 46,623.25/x
  3. Step 3: Cross multiply
    78,454.73x = 108,295.29 × 46,623.25
  4. Step 4: Simplify right side
    78,454.73x = 5,049,078,379.49
  5. Step 5: Solve for x
    x = 5,049,078,379.49/78,454.73
  6. Step 6: Final answer
    x = 64,356.58

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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.