Home / 50,812.24-70,125.20-28,158.34

Finding the Fourth Proportional to 50,812.24, 70,125.20 and 28,158.34

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Solution

The fourth proportional to 50,812.24, 70,125.20 and 28,158.34 is: 38,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,812.24 : 70,125.20 = 28,158.34 : x
  2. Step 2: Convert to fraction form
    50,812.24/70,125.20 = 28,158.34/x
  3. Step 3: Cross multiply
    50,812.24x = 70,125.20 × 28,158.34
  4. Step 4: Simplify right side
    50,812.24x = 1,974,609,224.17
  5. Step 5: Solve for x
    x = 1,974,609,224.17/50,812.24
  6. Step 6: Final answer
    x = 38,860.90

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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.