Home / 61,211.88-91,627.01-47,135.34

Finding the Fourth Proportional to 61,211.88, 91,627.01 and 47,135.34

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Solution

The fourth proportional to 61,211.88, 91,627.01 and 47,135.34 is: 70,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,211.88 : 91,627.01 = 47,135.34 : x
  2. Step 2: Convert to fraction form
    61,211.88/91,627.01 = 47,135.34/x
  3. Step 3: Cross multiply
    61,211.88x = 91,627.01 × 47,135.34
  4. Step 4: Simplify right side
    61,211.88x = 4,318,870,033.86
  5. Step 5: Solve for x
    x = 4,318,870,033.86/61,211.88
  6. Step 6: Final answer
    x = 70,556.08

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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.