Home / 51,126.48-70,555.26-28,466.46

Finding the Fourth Proportional to 51,126.48, 70,555.26 and 28,466.46

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Solution

The fourth proportional to 51,126.48, 70,555.26 and 28,466.46 is: 39,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,126.48 : 70,555.26 = 28,466.46 : x
  2. Step 2: Convert to fraction form
    51,126.48/70,555.26 = 28,466.46/x
  3. Step 3: Cross multiply
    51,126.48x = 70,555.26 × 28,466.46
  4. Step 4: Simplify right side
    51,126.48x = 2,008,458,486.58
  5. Step 5: Solve for x
    x = 2,008,458,486.58/51,126.48
  6. Step 6: Final answer
    x = 39,284.11

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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.