Home / 78,825.47-108,782.69-44,382.06

Finding the Fourth Proportional to 78,825.47, 108,782.69 and 44,382.06

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Solution

The fourth proportional to 78,825.47, 108,782.69 and 44,382.06 is: 61,249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,825.47 : 108,782.69 = 44,382.06 : x
  2. Step 2: Convert to fraction form
    78,825.47/108,782.69 = 44,382.06/x
  3. Step 3: Cross multiply
    78,825.47x = 108,782.69 × 44,382.06
  4. Step 4: Simplify right side
    78,825.47x = 4,827,999,244.70
  5. Step 5: Solve for x
    x = 4,827,999,244.70/78,825.47
  6. Step 6: Final answer
    x = 61,249.23

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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.