Home / 77,186.36-115,778.32-24,595.09

Finding the Fourth Proportional to 77,186.36, 115,778.32 and 24,595.09

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Solution

The fourth proportional to 77,186.36, 115,778.32 and 24,595.09 is: 36,892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,186.36 : 115,778.32 = 24,595.09 : x
  2. Step 2: Convert to fraction form
    77,186.36/115,778.32 = 24,595.09/x
  3. Step 3: Cross multiply
    77,186.36x = 115,778.32 × 24,595.09
  4. Step 4: Simplify right side
    77,186.36x = 2,847,578,200.45
  5. Step 5: Solve for x
    x = 2,847,578,200.45/77,186.36
  6. Step 6: Final answer
    x = 36,892.25

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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.