Home / 72,828.97-100,535.04-48,969.47

Finding the Fourth Proportional to 72,828.97, 100,535.04 and 48,969.47

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Solution

The fourth proportional to 72,828.97, 100,535.04 and 48,969.47 is: 67,598.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,828.97 : 100,535.04 = 48,969.47 : x
  2. Step 2: Convert to fraction form
    72,828.97/100,535.04 = 48,969.47/x
  3. Step 3: Cross multiply
    72,828.97x = 100,535.04 × 48,969.47
  4. Step 4: Simplify right side
    72,828.97x = 4,923,147,625.23
  5. Step 5: Solve for x
    x = 4,923,147,625.23/72,828.97
  6. Step 6: Final answer
    x = 67,598.75

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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.