Home / 73,261.28-109,813.60-52,421.60

Finding the Fourth Proportional to 73,261.28, 109,813.60 and 52,421.60

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Solution

The fourth proportional to 73,261.28, 109,813.60 and 52,421.60 is: 78,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,261.28 : 109,813.60 = 52,421.60 : x
  2. Step 2: Convert to fraction form
    73,261.28/109,813.60 = 52,421.60/x
  3. Step 3: Cross multiply
    73,261.28x = 109,813.60 × 52,421.60
  4. Step 4: Simplify right side
    73,261.28x = 5,756,604,613.76
  5. Step 5: Solve for x
    x = 5,756,604,613.76/73,261.28
  6. Step 6: Final answer
    x = 78,576.36

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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.