Home / 77,185.61-115,777.16-24,594.38

Finding the Fourth Proportional to 77,185.61, 115,777.16 and 24,594.38

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Solution

The fourth proportional to 77,185.61, 115,777.16 and 24,594.38 is: 36,891.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,185.61 : 115,777.16 = 24,594.38 : x
  2. Step 2: Convert to fraction form
    77,185.61/115,777.16 = 24,594.38/x
  3. Step 3: Cross multiply
    77,185.61x = 115,777.16 × 24,594.38
  4. Step 4: Simplify right side
    77,185.61x = 2,847,467,345.39
  5. Step 5: Solve for x
    x = 2,847,467,345.39/77,185.61
  6. Step 6: Final answer
    x = 36,891.17

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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.