Home / 77,968.56-107,624.24-46,137.38

Finding the Fourth Proportional to 77,968.56, 107,624.24 and 46,137.38

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Solution

The fourth proportional to 77,968.56, 107,624.24 and 46,137.38 is: 63,685.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,968.56 : 107,624.24 = 46,137.38 : x
  2. Step 2: Convert to fraction form
    77,968.56/107,624.24 = 46,137.38/x
  3. Step 3: Cross multiply
    77,968.56x = 107,624.24 × 46,137.38
  4. Step 4: Simplify right side
    77,968.56x = 4,965,499,689.28
  5. Step 5: Solve for x
    x = 4,965,499,689.28/77,968.56
  6. Step 6: Final answer
    x = 63,685.92

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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.