Home / 50,750.40-76,023.54-28,530.48

Finding the Fourth Proportional to 50,750.40, 76,023.54 and 28,530.48

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Solution

The fourth proportional to 50,750.40, 76,023.54 and 28,530.48 is: 42,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,750.40 : 76,023.54 = 28,530.48 : x
  2. Step 2: Convert to fraction form
    50,750.40/76,023.54 = 28,530.48/x
  3. Step 3: Cross multiply
    50,750.40x = 76,023.54 × 28,530.48
  4. Step 4: Simplify right side
    50,750.40x = 2,168,988,087.50
  5. Step 5: Solve for x
    x = 2,168,988,087.50/50,750.40
  6. Step 6: Final answer
    x = 42,738.34

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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.