Home / 78,787.23-108,740.48-46,958.15

Finding the Fourth Proportional to 78,787.23, 108,740.48 and 46,958.15

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Solution

The fourth proportional to 78,787.23, 108,740.48 and 46,958.15 is: 64,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,787.23 : 108,740.48 = 46,958.15 : x
  2. Step 2: Convert to fraction form
    78,787.23/108,740.48 = 46,958.15/x
  3. Step 3: Cross multiply
    78,787.23x = 108,740.48 × 46,958.15
  4. Step 4: Simplify right side
    78,787.23x = 5,106,250,992.42
  5. Step 5: Solve for x
    x = 5,106,250,992.42/78,787.23
  6. Step 6: Final answer
    x = 64,810.64

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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.