Home / 67,411.44-92,971.80-50,615.28

Finding the Fourth Proportional to 67,411.44, 92,971.80 and 50,615.28

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Solution

The fourth proportional to 67,411.44, 92,971.80 and 50,615.28 is: 69,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,411.44 : 92,971.80 = 50,615.28 : x
  2. Step 2: Convert to fraction form
    67,411.44/92,971.80 = 50,615.28/x
  3. Step 3: Cross multiply
    67,411.44x = 92,971.80 × 50,615.28
  4. Step 4: Simplify right side
    67,411.44x = 4,705,793,689.10
  5. Step 5: Solve for x
    x = 4,705,793,689.10/67,411.44
  6. Step 6: Final answer
    x = 69,807.05

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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.