Home / 43,734.60-65,618.10-14,153.40

Finding the Fourth Proportional to 43,734.60, 65,618.10 and 14,153.40

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Solution

The fourth proportional to 43,734.60, 65,618.10 and 14,153.40 is: 21,235.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,734.60 : 65,618.10 = 14,153.40 : x
  2. Step 2: Convert to fraction form
    43,734.60/65,618.10 = 14,153.40/x
  3. Step 3: Cross multiply
    43,734.60x = 65,618.10 × 14,153.40
  4. Step 4: Simplify right side
    43,734.60x = 928,719,216.54
  5. Step 5: Solve for x
    x = 928,719,216.54/43,734.60
  6. Step 6: Final answer
    x = 21,235.34

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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.