Home / 53,254.31-79,744.80-51,677.60

Finding the Fourth Proportional to 53,254.31, 79,744.80 and 51,677.60

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Solution

The fourth proportional to 53,254.31, 79,744.80 and 51,677.60 is: 77,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,254.31 : 79,744.80 = 51,677.60 : x
  2. Step 2: Convert to fraction form
    53,254.31/79,744.80 = 51,677.60/x
  3. Step 3: Cross multiply
    53,254.31x = 79,744.80 × 51,677.60
  4. Step 4: Simplify right side
    53,254.31x = 4,121,019,876.48
  5. Step 5: Solve for x
    x = 4,121,019,876.48/53,254.31
  6. Step 6: Final answer
    x = 77,383.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.