Home / 74,914.50-103,380.93-40,922.58

Finding the Fourth Proportional to 74,914.50, 103,380.93 and 40,922.58

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Solution

The fourth proportional to 74,914.50, 103,380.93 and 40,922.58 is: 56,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,914.50 : 103,380.93 = 40,922.58 : x
  2. Step 2: Convert to fraction form
    74,914.50/103,380.93 = 40,922.58/x
  3. Step 3: Cross multiply
    74,914.50x = 103,380.93 × 40,922.58
  4. Step 4: Simplify right side
    74,914.50x = 4,230,614,378.40
  5. Step 5: Solve for x
    x = 4,230,614,378.40/74,914.50
  6. Step 6: Final answer
    x = 56,472.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.