Home / 71,800.86-107,701.32-34,352.12

Finding the Fourth Proportional to 71,800.86, 107,701.32 and 34,352.12

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Solution

The fourth proportional to 71,800.86, 107,701.32 and 34,352.12 is: 51,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,800.86 : 107,701.32 = 34,352.12 : x
  2. Step 2: Convert to fraction form
    71,800.86/107,701.32 = 34,352.12/x
  3. Step 3: Cross multiply
    71,800.86x = 107,701.32 × 34,352.12
  4. Step 4: Simplify right side
    71,800.86x = 3,699,768,668.80
  5. Step 5: Solve for x
    x = 3,699,768,668.80/71,800.86
  6. Step 6: Final answer
    x = 51,528.19

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1.5x scale

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.