Home / 63,443.14-87,511.92-40,811.62

Finding the Fourth Proportional to 63,443.14, 87,511.92 and 40,811.62

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Solution

The fourth proportional to 63,443.14, 87,511.92 and 40,811.62 is: 56,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,443.14 : 87,511.92 = 40,811.62 : x
  2. Step 2: Convert to fraction form
    63,443.14/87,511.92 = 40,811.62/x
  3. Step 3: Cross multiply
    63,443.14x = 87,511.92 × 40,811.62
  4. Step 4: Simplify right side
    63,443.14x = 3,571,503,224.51
  5. Step 5: Solve for x
    x = 3,571,503,224.51/63,443.14
  6. Step 6: Final answer
    x = 56,294.55

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1.5x scale

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.