Home / 125,235.02-187,874.34-55,112.48

Finding the Fourth Proportional to 125,235.02, 187,874.34 and 55,112.48

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Solution

The fourth proportional to 125,235.02, 187,874.34 and 55,112.48 is: 82,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,235.02 : 187,874.34 = 55,112.48 : x
  2. Step 2: Convert to fraction form
    125,235.02/187,874.34 = 55,112.48/x
  3. Step 3: Cross multiply
    125,235.02x = 187,874.34 × 55,112.48
  4. Step 4: Simplify right side
    125,235.02x = 10,354,220,805.76
  5. Step 5: Solve for x
    x = 10,354,220,805.76/125,235.02
  6. Step 6: Final answer
    x = 82,678.32

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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.