Home / 70,273.22-105,402.96-38,672.89

Finding the Fourth Proportional to 70,273.22, 105,402.96 and 38,672.89

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Solution

The fourth proportional to 70,273.22, 105,402.96 and 38,672.89 is: 58,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,273.22 : 105,402.96 = 38,672.89 : x
  2. Step 2: Convert to fraction form
    70,273.22/105,402.96 = 38,672.89/x
  3. Step 3: Cross multiply
    70,273.22x = 105,402.96 × 38,672.89
  4. Step 4: Simplify right side
    70,273.22x = 4,076,236,814.25
  5. Step 5: Solve for x
    x = 4,076,236,814.25/70,273.22
  6. Step 6: Final answer
    x = 58,005.55

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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.