Home / 45,787.86-63,188.64-25,644.69

Finding the Fourth Proportional to 45,787.86, 63,188.64 and 25,644.69

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Solution

The fourth proportional to 45,787.86, 63,188.64 and 25,644.69 is: 35,390.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,787.86 : 63,188.64 = 25,644.69 : x
  2. Step 2: Convert to fraction form
    45,787.86/63,188.64 = 25,644.69/x
  3. Step 3: Cross multiply
    45,787.86x = 63,188.64 × 25,644.69
  4. Step 4: Simplify right side
    45,787.86x = 1,620,453,084.32
  5. Step 5: Solve for x
    x = 1,620,453,084.32/45,787.86
  6. Step 6: Final answer
    x = 35,390.45

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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.