Home / 70,271.22-105,236.19-38,632.98

Finding the Fourth Proportional to 70,271.22, 105,236.19 and 38,632.98

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Solution

The fourth proportional to 70,271.22, 105,236.19 and 38,632.98 is: 57,855.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,271.22 : 105,236.19 = 38,632.98 : x
  2. Step 2: Convert to fraction form
    70,271.22/105,236.19 = 38,632.98/x
  3. Step 3: Cross multiply
    70,271.22x = 105,236.19 × 38,632.98
  4. Step 4: Simplify right side
    70,271.22x = 4,065,587,623.55
  5. Step 5: Solve for x
    x = 4,065,587,623.55/70,271.22
  6. Step 6: Final answer
    x = 57,855.66

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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.