Home / 67,128.28-92,650.44-51,184.24

Finding the Fourth Proportional to 67,128.28, 92,650.44 and 51,184.24

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Solution

The fourth proportional to 67,128.28, 92,650.44 and 51,184.24 is: 70,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,128.28 : 92,650.44 = 51,184.24 : x
  2. Step 2: Convert to fraction form
    67,128.28/92,650.44 = 51,184.24/x
  3. Step 3: Cross multiply
    67,128.28x = 92,650.44 × 51,184.24
  4. Step 4: Simplify right side
    67,128.28x = 4,742,242,357.07
  5. Step 5: Solve for x
    x = 4,742,242,357.07/67,128.28
  6. Step 6: Final answer
    x = 70,644.48

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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.