Home / 50,812.58-70,120.59-28,151.52

Finding the Fourth Proportional to 50,812.58, 70,120.59 and 28,151.52

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Solution

The fourth proportional to 50,812.58, 70,120.59 and 28,151.52 is: 38,848.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,812.58 : 70,120.59 = 28,151.52 : x
  2. Step 2: Convert to fraction form
    50,812.58/70,120.59 = 28,151.52/x
  3. Step 3: Cross multiply
    50,812.58x = 70,120.59 × 28,151.52
  4. Step 4: Simplify right side
    50,812.58x = 1,974,001,191.80
  5. Step 5: Solve for x
    x = 1,974,001,191.80/50,812.58
  6. Step 6: Final answer
    x = 38,848.67

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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.