Home / 43,805.10-65,723.85-14,223.90

Finding the Fourth Proportional to 43,805.10, 65,723.85 and 14,223.90

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Solution

The fourth proportional to 43,805.10, 65,723.85 and 14,223.90 is: 21,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,805.10 : 65,723.85 = 14,223.90 : x
  2. Step 2: Convert to fraction form
    43,805.10/65,723.85 = 14,223.90/x
  3. Step 3: Cross multiply
    43,805.10x = 65,723.85 × 14,223.90
  4. Step 4: Simplify right side
    43,805.10x = 934,849,470.02
  5. Step 5: Solve for x
    x = 934,849,470.02/43,805.10
  6. Step 6: Final answer
    x = 21,341.11

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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.