Home / 89,949.63-124,141.43-52,223.88

Finding the Fourth Proportional to 89,949.63, 124,141.43 and 52,223.88

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Solution

The fourth proportional to 89,949.63, 124,141.43 and 52,223.88 is: 72,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,949.63 : 124,141.43 = 52,223.88 : x
  2. Step 2: Convert to fraction form
    89,949.63/124,141.43 = 52,223.88/x
  3. Step 3: Cross multiply
    89,949.63x = 124,141.43 × 52,223.88
  4. Step 4: Simplify right side
    89,949.63x = 6,483,147,143.35
  5. Step 5: Solve for x
    x = 6,483,147,143.35/89,949.63
  6. Step 6: Final answer
    x = 72,075.31

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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.