Home / 61,630.56-84,973.05-51,436.31

Finding the Fourth Proportional to 61,630.56, 84,973.05 and 51,436.31

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Solution

The fourth proportional to 61,630.56, 84,973.05 and 51,436.31 is: 70,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,630.56 : 84,973.05 = 51,436.31 : x
  2. Step 2: Convert to fraction form
    61,630.56/84,973.05 = 51,436.31/x
  3. Step 3: Cross multiply
    61,630.56x = 84,973.05 × 51,436.31
  4. Step 4: Simplify right side
    61,630.56x = 4,370,699,716.58
  5. Step 5: Solve for x
    x = 4,370,699,716.58/61,630.56
  6. Step 6: Final answer
    x = 70,917.73

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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.