Home / 51,092.15-70,513.31-30,948.44

Finding the Fourth Proportional to 51,092.15, 70,513.31 and 30,948.44

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Solution

The fourth proportional to 51,092.15, 70,513.31 and 30,948.44 is: 42,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,092.15 : 70,513.31 = 30,948.44 : x
  2. Step 2: Convert to fraction form
    51,092.15/70,513.31 = 30,948.44/x
  3. Step 3: Cross multiply
    51,092.15x = 70,513.31 × 30,948.44
  4. Step 4: Simplify right side
    51,092.15x = 2,182,276,788.99
  5. Step 5: Solve for x
    x = 2,182,276,788.99/51,092.15
  6. Step 6: Final answer
    x = 42,712.57

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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.