Home / 71,613.95-107,451.32-38,325.38

Finding the Fourth Proportional to 71,613.95, 107,451.32 and 38,325.38

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Solution

The fourth proportional to 71,613.95, 107,451.32 and 38,325.38 is: 57,504.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,613.95 : 107,451.32 = 38,325.38 : x
  2. Step 2: Convert to fraction form
    71,613.95/107,451.32 = 38,325.38/x
  3. Step 3: Cross multiply
    71,613.95x = 107,451.32 × 38,325.38
  4. Step 4: Simplify right side
    71,613.95x = 4,118,111,941.62
  5. Step 5: Solve for x
    x = 4,118,111,941.62/71,613.95
  6. Step 6: Final answer
    x = 57,504.33

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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.