Home / 103,485.10-155,254.65-33,366.10

Finding the Fourth Proportional to 103,485.10, 155,254.65 and 33,366.10

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Solution

The fourth proportional to 103,485.10, 155,254.65 and 33,366.10 is: 50,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,485.10 : 155,254.65 = 33,366.10 : x
  2. Step 2: Convert to fraction form
    103,485.10/155,254.65 = 33,366.10/x
  3. Step 3: Cross multiply
    103,485.10x = 155,254.65 × 33,366.10
  4. Step 4: Simplify right side
    103,485.10x = 5,180,242,177.37
  5. Step 5: Solve for x
    x = 5,180,242,177.37/103,485.10
  6. Step 6: Final answer
    x = 50,057.86

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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.