Home / 74,243.41-111,281.45-36,830.30

Finding the Fourth Proportional to 74,243.41, 111,281.45 and 36,830.30

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Solution

The fourth proportional to 74,243.41, 111,281.45 and 36,830.30 is: 55,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,243.41 : 111,281.45 = 36,830.30 : x
  2. Step 2: Convert to fraction form
    74,243.41/111,281.45 = 36,830.30/x
  3. Step 3: Cross multiply
    74,243.41x = 111,281.45 × 36,830.30
  4. Step 4: Simplify right side
    74,243.41x = 4,098,528,447.38
  5. Step 5: Solve for x
    x = 4,098,528,447.38/74,243.41
  6. Step 6: Final answer
    x = 55,203.94

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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.