Home / 90,506.34-135,771.84-52,573.41

Finding the Fourth Proportional to 90,506.34, 135,771.84 and 52,573.41

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Solution

The fourth proportional to 90,506.34, 135,771.84 and 52,573.41 is: 78,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,506.34 : 135,771.84 = 52,573.41 : x
  2. Step 2: Convert to fraction form
    90,506.34/135,771.84 = 52,573.41/x
  3. Step 3: Cross multiply
    90,506.34x = 135,771.84 × 52,573.41
  4. Step 4: Simplify right side
    90,506.34x = 7,137,988,610.77
  5. Step 5: Solve for x
    x = 7,137,988,610.77/90,506.34
  6. Step 6: Final answer
    x = 78,867.28

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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.