Home / 43,454.08-65,188.17-13,461.31

Finding the Fourth Proportional to 43,454.08, 65,188.17 and 13,461.31

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Solution

The fourth proportional to 43,454.08, 65,188.17 and 13,461.31 is: 20,194.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,454.08 : 65,188.17 = 13,461.31 : x
  2. Step 2: Convert to fraction form
    43,454.08/65,188.17 = 13,461.31/x
  3. Step 3: Cross multiply
    43,454.08x = 65,188.17 × 13,461.31
  4. Step 4: Simplify right side
    43,454.08x = 877,518,164.70
  5. Step 5: Solve for x
    x = 877,518,164.70/43,454.08
  6. Step 6: Final answer
    x = 20,194.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.