Home / 68,567.45-102,892.05-30,613.77

Finding the Fourth Proportional to 68,567.45, 102,892.05 and 30,613.77

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Solution

The fourth proportional to 68,567.45, 102,892.05 and 30,613.77 is: 45,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,567.45 : 102,892.05 = 30,613.77 : x
  2. Step 2: Convert to fraction form
    68,567.45/102,892.05 = 30,613.77/x
  3. Step 3: Cross multiply
    68,567.45x = 102,892.05 × 30,613.77
  4. Step 4: Simplify right side
    68,567.45x = 3,149,913,756.81
  5. Step 5: Solve for x
    x = 3,149,913,756.81/68,567.45
  6. Step 6: Final answer
    x = 45,938.91

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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.