Home / 96,970.78-133,818.51-54,536.50

Finding the Fourth Proportional to 96,970.78, 133,818.51 and 54,536.50

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Solution

The fourth proportional to 96,970.78, 133,818.51 and 54,536.50 is: 75,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,970.78 : 133,818.51 = 54,536.50 : x
  2. Step 2: Convert to fraction form
    96,970.78/133,818.51 = 54,536.50/x
  3. Step 3: Cross multiply
    96,970.78x = 133,818.51 × 54,536.50
  4. Step 4: Simplify right side
    96,970.78x = 7,297,993,170.62
  5. Step 5: Solve for x
    x = 7,297,993,170.62/96,970.78
  6. Step 6: Final answer
    x = 75,259.71

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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.