Home / 50,223.80-75,336.15-12,783.92

Finding the Fourth Proportional to 50,223.80, 75,336.15 and 12,783.92

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Solution

The fourth proportional to 50,223.80, 75,336.15 and 12,783.92 is: 19,175.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,223.80 : 75,336.15 = 12,783.92 : x
  2. Step 2: Convert to fraction form
    50,223.80/75,336.15 = 12,783.92/x
  3. Step 3: Cross multiply
    50,223.80x = 75,336.15 × 12,783.92
  4. Step 4: Simplify right side
    50,223.80x = 963,090,938.03
  5. Step 5: Solve for x
    x = 963,090,938.03/50,223.80
  6. Step 6: Final answer
    x = 19,175.99

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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.