Home / 56,205.36-77,567.76-31,059.36

Finding the Fourth Proportional to 56,205.36, 77,567.76 and 31,059.36

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Solution

The fourth proportional to 56,205.36, 77,567.76 and 31,059.36 is: 42,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,205.36 : 77,567.76 = 31,059.36 : x
  2. Step 2: Convert to fraction form
    56,205.36/77,567.76 = 31,059.36/x
  3. Step 3: Cross multiply
    56,205.36x = 77,567.76 × 31,059.36
  4. Step 4: Simplify right side
    56,205.36x = 2,409,204,982.23
  5. Step 5: Solve for x
    x = 2,409,204,982.23/56,205.36
  6. Step 6: Final answer
    x = 42,864.33

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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.