Home / 71,883.47-99,199.59-41,686.72

Finding the Fourth Proportional to 71,883.47, 99,199.59 and 41,686.72

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Solution

The fourth proportional to 71,883.47, 99,199.59 and 41,686.72 is: 57,527.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,883.47 : 99,199.59 = 41,686.72 : x
  2. Step 2: Convert to fraction form
    71,883.47/99,199.59 = 41,686.72/x
  3. Step 3: Cross multiply
    71,883.47x = 99,199.59 × 41,686.72
  4. Step 4: Simplify right side
    71,883.47x = 4,135,305,532.44
  5. Step 5: Solve for x
    x = 4,135,305,532.44/71,883.47
  6. Step 6: Final answer
    x = 57,527.91

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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.