Home / 70,890.55-106,160.75-52,835.49

Finding the Fourth Proportional to 70,890.55, 106,160.75 and 52,835.49

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Solution

The fourth proportional to 70,890.55, 106,160.75 and 52,835.49 is: 79,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890.55 : 106,160.75 = 52,835.49 : x
  2. Step 2: Convert to fraction form
    70,890.55/106,160.75 = 52,835.49/x
  3. Step 3: Cross multiply
    70,890.55x = 106,160.75 × 52,835.49
  4. Step 4: Simplify right side
    70,890.55x = 5,609,055,245.02
  5. Step 5: Solve for x
    x = 5,609,055,245.02/70,890.55
  6. Step 6: Final answer
    x = 79,122.75

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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.