Home / 67,180.48-92,699.28-40,317.28

Finding the Fourth Proportional to 67,180.48, 92,699.28 and 40,317.28

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Solution

The fourth proportional to 67,180.48, 92,699.28 and 40,317.28 is: 55,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,180.48 : 92,699.28 = 40,317.28 : x
  2. Step 2: Convert to fraction form
    67,180.48/92,699.28 = 40,317.28/x
  3. Step 3: Cross multiply
    67,180.48x = 92,699.28 × 40,317.28
  4. Step 4: Simplify right side
    67,180.48x = 3,737,382,827.56
  5. Step 5: Solve for x
    x = 3,737,382,827.56/67,180.48
  6. Step 6: Final answer
    x = 55,631.98

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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.