Home / 75,460.31-113,120.09-25,505.65

Finding the Fourth Proportional to 75,460.31, 113,120.09 and 25,505.65

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Solution

The fourth proportional to 75,460.31, 113,120.09 and 25,505.65 is: 38,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,460.31 : 113,120.09 = 25,505.65 : x
  2. Step 2: Convert to fraction form
    75,460.31/113,120.09 = 25,505.65/x
  3. Step 3: Cross multiply
    75,460.31x = 113,120.09 × 25,505.65
  4. Step 4: Simplify right side
    75,460.31x = 2,885,201,423.51
  5. Step 5: Solve for x
    x = 2,885,201,423.51/75,460.31
  6. Step 6: Final answer
    x = 38,234.69

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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.