Home / 74,436.60-111,525.30-48,127.80

Finding the Fourth Proportional to 74,436.60, 111,525.30 and 48,127.80

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Solution

The fourth proportional to 74,436.60, 111,525.30 and 48,127.80 is: 72,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,436.60 : 111,525.30 = 48,127.80 : x
  2. Step 2: Convert to fraction form
    74,436.60/111,525.30 = 48,127.80/x
  3. Step 3: Cross multiply
    74,436.60x = 111,525.30 × 48,127.80
  4. Step 4: Simplify right side
    74,436.60x = 5,367,467,333.34
  5. Step 5: Solve for x
    x = 5,367,467,333.34/74,436.60
  6. Step 6: Final answer
    x = 72,107.91

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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.