Home / 51,768.61-71,435.75-30,263.39

Finding the Fourth Proportional to 51,768.61, 71,435.75 and 30,263.39

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Solution

The fourth proportional to 51,768.61, 71,435.75 and 30,263.39 is: 41,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,768.61 : 71,435.75 = 30,263.39 : x
  2. Step 2: Convert to fraction form
    51,768.61/71,435.75 = 30,263.39/x
  3. Step 3: Cross multiply
    51,768.61x = 71,435.75 × 30,263.39
  4. Step 4: Simplify right side
    51,768.61x = 2,161,887,962.19
  5. Step 5: Solve for x
    x = 2,161,887,962.19/51,768.61
  6. Step 6: Final answer
    x = 41,760.60

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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.