Home / 70,830.38-106,206.25-32,838.14

Finding the Fourth Proportional to 70,830.38, 106,206.25 and 32,838.14

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Solution

The fourth proportional to 70,830.38, 106,206.25 and 32,838.14 is: 49,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,830.38 : 106,206.25 = 32,838.14 : x
  2. Step 2: Convert to fraction form
    70,830.38/106,206.25 = 32,838.14/x
  3. Step 3: Cross multiply
    70,830.38x = 106,206.25 × 32,838.14
  4. Step 4: Simplify right side
    70,830.38x = 3,487,615,706.38
  5. Step 5: Solve for x
    x = 3,487,615,706.38/70,830.38
  6. Step 6: Final answer
    x = 49,238.98

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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.