Home / 103,845.20-155,840.70-44,723.30

Finding the Fourth Proportional to 103,845.20, 155,840.70 and 44,723.30

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Solution

The fourth proportional to 103,845.20, 155,840.70 and 44,723.30 is: 67,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,845.20 : 155,840.70 = 44,723.30 : x
  2. Step 2: Convert to fraction form
    103,845.20/155,840.70 = 44,723.30/x
  3. Step 3: Cross multiply
    103,845.20x = 155,840.70 × 44,723.30
  4. Step 4: Simplify right side
    103,845.20x = 6,969,710,378.31
  5. Step 5: Solve for x
    x = 6,969,710,378.31/103,845.20
  6. Step 6: Final answer
    x = 67,116.35

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1.5x scale

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.