Home / 90,554.31-124,962.60-50,267.03

Finding the Fourth Proportional to 90,554.31, 124,962.60 and 50,267.03

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Solution

The fourth proportional to 90,554.31, 124,962.60 and 50,267.03 is: 69,367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,554.31 : 124,962.60 = 50,267.03 : x
  2. Step 2: Convert to fraction form
    90,554.31/124,962.60 = 50,267.03/x
  3. Step 3: Cross multiply
    90,554.31x = 124,962.60 × 50,267.03
  4. Step 4: Simplify right side
    90,554.31x = 6,281,498,138.27
  5. Step 5: Solve for x
    x = 6,281,498,138.27/90,554.31
  6. Step 6: Final answer
    x = 69,367.19

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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.