Home / 67,254.09-92,821.74-51,308.43

Finding the Fourth Proportional to 67,254.09, 92,821.74 and 51,308.43

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Solution

The fourth proportional to 67,254.09, 92,821.74 and 51,308.43 is: 70,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,254.09 : 92,821.74 = 51,308.43 : x
  2. Step 2: Convert to fraction form
    67,254.09/92,821.74 = 51,308.43/x
  3. Step 3: Cross multiply
    67,254.09x = 92,821.74 × 51,308.43
  4. Step 4: Simplify right side
    67,254.09x = 4,762,537,749.27
  5. Step 5: Solve for x
    x = 4,762,537,749.27/67,254.09
  6. Step 6: Final answer
    x = 70,814.10

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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.