Home / 78,623.74-108,464.47-46,336.33

Finding the Fourth Proportional to 78,623.74, 108,464.47 and 46,336.33

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Solution

The fourth proportional to 78,623.74, 108,464.47 and 46,336.33 is: 63,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,623.74 : 108,464.47 = 46,336.33 : x
  2. Step 2: Convert to fraction form
    78,623.74/108,464.47 = 46,336.33/x
  3. Step 3: Cross multiply
    78,623.74x = 108,464.47 × 46,336.33
  4. Step 4: Simplify right side
    78,623.74x = 5,025,845,475.20
  5. Step 5: Solve for x
    x = 5,025,845,475.20/78,623.74
  6. Step 6: Final answer
    x = 63,922.75

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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.