Home / 50,859.40-76,289.10-48,008.20

Finding the Fourth Proportional to 50,859.40, 76,289.10 and 48,008.20

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Solution

The fourth proportional to 50,859.40, 76,289.10 and 48,008.20 is: 72,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,859.40 : 76,289.10 = 48,008.20 : x
  2. Step 2: Convert to fraction form
    50,859.40/76,289.10 = 48,008.20/x
  3. Step 3: Cross multiply
    50,859.40x = 76,289.10 × 48,008.20
  4. Step 4: Simplify right side
    50,859.40x = 3,662,502,370.62
  5. Step 5: Solve for x
    x = 3,662,502,370.62/50,859.40
  6. Step 6: Final answer
    x = 72,012.30

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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.