Home / 70,255.16-105,395.72-22,235.85

Finding the Fourth Proportional to 70,255.16, 105,395.72 and 22,235.85

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Solution

The fourth proportional to 70,255.16, 105,395.72 and 22,235.85 is: 33,357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,255.16 : 105,395.72 = 22,235.85 : x
  2. Step 2: Convert to fraction form
    70,255.16/105,395.72 = 22,235.85/x
  3. Step 3: Cross multiply
    70,255.16x = 105,395.72 × 22,235.85
  4. Step 4: Simplify right side
    70,255.16x = 2,343,563,309.38
  5. Step 5: Solve for x
    x = 2,343,563,309.38/70,255.16
  6. Step 6: Final answer
    x = 33,357.88

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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.