Home / 55,668.33-76,761.14-42,893.28

Finding the Fourth Proportional to 55,668.33, 76,761.14 and 42,893.28

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Solution

The fourth proportional to 55,668.33, 76,761.14 and 42,893.28 is: 59,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,668.33 : 76,761.14 = 42,893.28 : x
  2. Step 2: Convert to fraction form
    55,668.33/76,761.14 = 42,893.28/x
  3. Step 3: Cross multiply
    55,668.33x = 76,761.14 × 42,893.28
  4. Step 4: Simplify right side
    55,668.33x = 3,292,536,856.67
  5. Step 5: Solve for x
    x = 3,292,536,856.67/55,668.33
  6. Step 6: Final answer
    x = 59,145.60

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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.