Home / 61,780.87-85,256.67-34,922.43

Finding the Fourth Proportional to 61,780.87, 85,256.67 and 34,922.43

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Solution

The fourth proportional to 61,780.87, 85,256.67 and 34,922.43 is: 48,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,780.87 : 85,256.67 = 34,922.43 : x
  2. Step 2: Convert to fraction form
    61,780.87/85,256.67 = 34,922.43/x
  3. Step 3: Cross multiply
    61,780.87x = 85,256.67 × 34,922.43
  4. Step 4: Simplify right side
    61,780.87x = 2,977,370,090.11
  5. Step 5: Solve for x
    x = 2,977,370,090.11/61,780.87
  6. Step 6: Final answer
    x = 48,192.43

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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.