Home / 75,551.77-113,331.71-19,392.38

Finding the Fourth Proportional to 75,551.77, 113,331.71 and 19,392.38

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Solution

The fourth proportional to 75,551.77, 113,331.71 and 19,392.38 is: 29,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,551.77 : 113,331.71 = 19,392.38 : x
  2. Step 2: Convert to fraction form
    75,551.77/113,331.71 = 19,392.38/x
  3. Step 3: Cross multiply
    75,551.77x = 113,331.71 × 19,392.38
  4. Step 4: Simplify right side
    75,551.77x = 2,197,771,586.37
  5. Step 5: Solve for x
    x = 2,197,771,586.37/75,551.77
  6. Step 6: Final answer
    x = 29,089.61

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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.