Home / 61,780.29-85,247.87-34,556.23

Finding the Fourth Proportional to 61,780.29, 85,247.87 and 34,556.23

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Solution

The fourth proportional to 61,780.29, 85,247.87 and 34,556.23 is: 47,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,780.29 : 85,247.87 = 34,556.23 : x
  2. Step 2: Convert to fraction form
    61,780.29/85,247.87 = 34,556.23/x
  3. Step 3: Cross multiply
    61,780.29x = 85,247.87 × 34,556.23
  4. Step 4: Simplify right side
    61,780.29x = 2,945,845,002.73
  5. Step 5: Solve for x
    x = 2,945,845,002.73/61,780.29
  6. Step 6: Final answer
    x = 47,682.60

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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.