Home / 162,013.20-243,021.23-49,693.94

Finding the Fourth Proportional to 162,013.20, 243,021.23 and 49,693.94

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Solution

The fourth proportional to 162,013.20, 243,021.23 and 49,693.94 is: 74,541.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,013.20 : 243,021.23 = 49,693.94 : x
  2. Step 2: Convert to fraction form
    162,013.20/243,021.23 = 49,693.94/x
  3. Step 3: Cross multiply
    162,013.20x = 243,021.23 × 49,693.94
  4. Step 4: Simplify right side
    162,013.20x = 12,076,682,056.45
  5. Step 5: Solve for x
    x = 12,076,682,056.45/162,013.20
  6. Step 6: Final answer
    x = 74,541.35

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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.