Home / 57,152.50-78,870.45-32,002.54

Finding the Fourth Proportional to 57,152.50, 78,870.45 and 32,002.54

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Solution

The fourth proportional to 57,152.50, 78,870.45 and 32,002.54 is: 44,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,152.50 : 78,870.45 = 32,002.54 : x
  2. Step 2: Convert to fraction form
    57,152.50/78,870.45 = 32,002.54/x
  3. Step 3: Cross multiply
    57,152.50x = 78,870.45 × 32,002.54
  4. Step 4: Simplify right side
    57,152.50x = 2,524,054,730.94
  5. Step 5: Solve for x
    x = 2,524,054,730.94/57,152.50
  6. Step 6: Final answer
    x = 44,163.51

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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.