Home / 67,416.64-93,053.46-39,131.44

Finding the Fourth Proportional to 67,416.64, 93,053.46 and 39,131.44

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Solution

The fourth proportional to 67,416.64, 93,053.46 and 39,131.44 is: 54,012.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,416.64 : 93,053.46 = 39,131.44 : x
  2. Step 2: Convert to fraction form
    67,416.64/93,053.46 = 39,131.44/x
  3. Step 3: Cross multiply
    67,416.64x = 93,053.46 × 39,131.44
  4. Step 4: Simplify right side
    67,416.64x = 3,641,315,800.89
  5. Step 5: Solve for x
    x = 3,641,315,800.89/67,416.64
  6. Step 6: Final answer
    x = 54,012.12

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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.