Home / 77,732.90-107,290.44-50,940.26

Finding the Fourth Proportional to 77,732.90, 107,290.44 and 50,940.26

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Solution

The fourth proportional to 77,732.90, 107,290.44 and 50,940.26 is: 70,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,732.90 : 107,290.44 = 50,940.26 : x
  2. Step 2: Convert to fraction form
    77,732.90/107,290.44 = 50,940.26/x
  3. Step 3: Cross multiply
    77,732.90x = 107,290.44 × 50,940.26
  4. Step 4: Simplify right side
    77,732.90x = 5,465,402,909.11
  5. Step 5: Solve for x
    x = 5,465,402,909.11/77,732.90
  6. Step 6: Final answer
    x = 70,310.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.