Home / 63,348.09-87,348.83-47,381.37

Finding the Fourth Proportional to 63,348.09, 87,348.83 and 47,381.37

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Solution

The fourth proportional to 63,348.09, 87,348.83 and 47,381.37 is: 65,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,348.09 : 87,348.83 = 47,381.37 : x
  2. Step 2: Convert to fraction form
    63,348.09/87,348.83 = 47,381.37/x
  3. Step 3: Cross multiply
    63,348.09x = 87,348.83 × 47,381.37
  4. Step 4: Simplify right side
    63,348.09x = 4,138,706,996.39
  5. Step 5: Solve for x
    x = 4,138,706,996.39/63,348.09
  6. Step 6: Final answer
    x = 65,332.78

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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.