Home / 48,339.36-66,669.84-39,941.28

Finding the Fourth Proportional to 48,339.36, 66,669.84 and 39,941.28

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Solution

The fourth proportional to 48,339.36, 66,669.84 and 39,941.28 is: 55,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,339.36 : 66,669.84 = 39,941.28 : x
  2. Step 2: Convert to fraction form
    48,339.36/66,669.84 = 39,941.28/x
  3. Step 3: Cross multiply
    48,339.36x = 66,669.84 × 39,941.28
  4. Step 4: Simplify right side
    48,339.36x = 2,662,878,747.00
  5. Step 5: Solve for x
    x = 2,662,878,747.00/48,339.36
  6. Step 6: Final answer
    x = 55,087.17

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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.