Home / 84,072.34-126,126.96-24,912.64

Finding the Fourth Proportional to 84,072.34, 126,126.96 and 24,912.64

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Solution

The fourth proportional to 84,072.34, 126,126.96 and 24,912.64 is: 37,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,072.34 : 126,126.96 = 24,912.64 : x
  2. Step 2: Convert to fraction form
    84,072.34/126,126.96 = 24,912.64/x
  3. Step 3: Cross multiply
    84,072.34x = 126,126.96 × 24,912.64
  4. Step 4: Simplify right side
    84,072.34x = 3,142,155,548.77
  5. Step 5: Solve for x
    x = 3,142,155,548.77/84,072.34
  6. Step 6: Final answer
    x = 37,374.43

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1.5x scale

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.