Home / 123,831.34-185,747.04-49,907.50

Finding the Fourth Proportional to 123,831.34, 185,747.04 and 49,907.50

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Solution

The fourth proportional to 123,831.34, 185,747.04 and 49,907.50 is: 74,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,831.34 : 185,747.04 = 49,907.50 : x
  2. Step 2: Convert to fraction form
    123,831.34/185,747.04 = 49,907.50/x
  3. Step 3: Cross multiply
    123,831.34x = 185,747.04 × 49,907.50
  4. Step 4: Simplify right side
    123,831.34x = 9,270,170,398.80
  5. Step 5: Solve for x
    x = 9,270,170,398.80/123,831.34
  6. Step 6: Final answer
    x = 74,861.26

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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.