Home / 84,051.98-126,118.02-52,453.46

Finding the Fourth Proportional to 84,051.98, 126,118.02 and 52,453.46

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Solution

The fourth proportional to 84,051.98, 126,118.02 and 52,453.46 is: 78,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,051.98 : 126,118.02 = 52,453.46 : x
  2. Step 2: Convert to fraction form
    84,051.98/126,118.02 = 52,453.46/x
  3. Step 3: Cross multiply
    84,051.98x = 126,118.02 × 52,453.46
  4. Step 4: Simplify right side
    84,051.98x = 6,615,326,517.35
  5. Step 5: Solve for x
    x = 6,615,326,517.35/84,051.98
  6. Step 6: Final answer
    x = 78,705.18

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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.