Home / 55,913.43-77,207.11-51,856.64

Finding the Fourth Proportional to 55,913.43, 77,207.11 and 51,856.64

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Solution

The fourth proportional to 55,913.43, 77,207.11 and 51,856.64 is: 71,605.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,913.43 : 77,207.11 = 51,856.64 : x
  2. Step 2: Convert to fraction form
    55,913.43/77,207.11 = 51,856.64/x
  3. Step 3: Cross multiply
    55,913.43x = 77,207.11 × 51,856.64
  4. Step 4: Simplify right side
    55,913.43x = 4,003,701,662.70
  5. Step 5: Solve for x
    x = 4,003,701,662.70/55,913.43
  6. Step 6: Final answer
    x = 71,605.36

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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.