Home / 53,982.88-80,948.32-30,603.04

Finding the Fourth Proportional to 53,982.88, 80,948.32 and 30,603.04

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Solution

The fourth proportional to 53,982.88, 80,948.32 and 30,603.04 is: 45,889.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,982.88 : 80,948.32 = 30,603.04 : x
  2. Step 2: Convert to fraction form
    53,982.88/80,948.32 = 30,603.04/x
  3. Step 3: Cross multiply
    53,982.88x = 80,948.32 × 30,603.04
  4. Step 4: Simplify right side
    53,982.88x = 2,477,264,674.89
  5. Step 5: Solve for x
    x = 2,477,264,674.89/53,982.88
  6. Step 6: Final answer
    x = 45,889.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.