Home / 92,819.22-128,090.65-50,377.76

Finding the Fourth Proportional to 92,819.22, 128,090.65 and 50,377.76

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Solution

The fourth proportional to 92,819.22, 128,090.65 and 50,377.76 is: 69,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,819.22 : 128,090.65 = 50,377.76 : x
  2. Step 2: Convert to fraction form
    92,819.22/128,090.65 = 50,377.76/x
  3. Step 3: Cross multiply
    92,819.22x = 128,090.65 × 50,377.76
  4. Step 4: Simplify right side
    92,819.22x = 6,452,919,383.49
  5. Step 5: Solve for x
    x = 6,452,919,383.49/92,819.22
  6. Step 6: Final answer
    x = 69,521.37

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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.