Home / 50,123.70-74,612.79-49,376.25

Finding the Fourth Proportional to 50,123.70, 74,612.79 and 49,376.25

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Solution

The fourth proportional to 50,123.70, 74,612.79 and 49,376.25 is: 73,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,123.70 : 74,612.79 = 49,376.25 : x
  2. Step 2: Convert to fraction form
    50,123.70/74,612.79 = 49,376.25/x
  3. Step 3: Cross multiply
    50,123.70x = 74,612.79 × 49,376.25
  4. Step 4: Simplify right side
    50,123.70x = 3,684,099,772.24
  5. Step 5: Solve for x
    x = 3,684,099,772.24/50,123.70
  6. Step 6: Final answer
    x = 73,500.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.