Home / 43,767.72-65,637.80-14,178.70

Finding the Fourth Proportional to 43,767.72, 65,637.80 and 14,178.70

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Solution

The fourth proportional to 43,767.72, 65,637.80 and 14,178.70 is: 21,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,767.72 : 65,637.80 = 14,178.70 : x
  2. Step 2: Convert to fraction form
    43,767.72/65,637.80 = 14,178.70/x
  3. Step 3: Cross multiply
    43,767.72x = 65,637.80 × 14,178.70
  4. Step 4: Simplify right side
    43,767.72x = 930,658,674.86
  5. Step 5: Solve for x
    x = 930,658,674.86/43,767.72
  6. Step 6: Final answer
    x = 21,263.59

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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.