Home / 77,926.50-107,596.22-47,753.06

Finding the Fourth Proportional to 77,926.50, 107,596.22 and 47,753.06

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Solution

The fourth proportional to 77,926.50, 107,596.22 and 47,753.06 is: 65,934.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,926.50 : 107,596.22 = 47,753.06 : x
  2. Step 2: Convert to fraction form
    77,926.50/107,596.22 = 47,753.06/x
  3. Step 3: Cross multiply
    77,926.50x = 107,596.22 × 47,753.06
  4. Step 4: Simplify right side
    77,926.50x = 5,138,047,972.69
  5. Step 5: Solve for x
    x = 5,138,047,972.69/77,926.50
  6. Step 6: Final answer
    x = 65,934.54

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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.