Home / 50,920.23-70,270.67-28,260.69

Finding the Fourth Proportional to 50,920.23, 70,270.67 and 28,260.69

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Solution

The fourth proportional to 50,920.23, 70,270.67 and 28,260.69 is: 39,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,920.23 : 70,270.67 = 28,260.69 : x
  2. Step 2: Convert to fraction form
    50,920.23/70,270.67 = 28,260.69/x
  3. Step 3: Cross multiply
    50,920.23x = 70,270.67 × 28,260.69
  4. Step 4: Simplify right side
    50,920.23x = 1,985,897,620.96
  5. Step 5: Solve for x
    x = 1,985,897,620.96/50,920.23
  6. Step 6: Final answer
    x = 39,000.17

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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.