Home / 70,072.89-96,697.56-39,853.95

Finding the Fourth Proportional to 70,072.89, 96,697.56 and 39,853.95

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Solution

The fourth proportional to 70,072.89, 96,697.56 and 39,853.95 is: 54,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,072.89 : 96,697.56 = 39,853.95 : x
  2. Step 2: Convert to fraction form
    70,072.89/96,697.56 = 39,853.95/x
  3. Step 3: Cross multiply
    70,072.89x = 96,697.56 × 39,853.95
  4. Step 4: Simplify right side
    70,072.89x = 3,853,779,721.36
  5. Step 5: Solve for x
    x = 3,853,779,721.36/70,072.89
  6. Step 6: Final answer
    x = 54,996.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.