Home / 67,134.34-100,701.50-31,967.38

Finding the Fourth Proportional to 67,134.34, 100,701.50 and 31,967.38

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Solution

The fourth proportional to 67,134.34, 100,701.50 and 31,967.38 is: 47,951.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,134.34 : 100,701.50 = 31,967.38 : x
  2. Step 2: Convert to fraction form
    67,134.34/100,701.50 = 31,967.38/x
  3. Step 3: Cross multiply
    67,134.34x = 100,701.50 × 31,967.38
  4. Step 4: Simplify right side
    67,134.34x = 3,219,163,117.07
  5. Step 5: Solve for x
    x = 3,219,163,117.07/67,134.34
  6. Step 6: Final answer
    x = 47,951.07

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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.