Home / 45,455.67-62,728.75-25,314.31

Finding the Fourth Proportional to 45,455.67, 62,728.75 and 25,314.31

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Solution

The fourth proportional to 45,455.67, 62,728.75 and 25,314.31 is: 34,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,455.67 : 62,728.75 = 25,314.31 : x
  2. Step 2: Convert to fraction form
    45,455.67/62,728.75 = 25,314.31/x
  3. Step 3: Cross multiply
    45,455.67x = 62,728.75 × 25,314.31
  4. Step 4: Simplify right side
    45,455.67x = 1,587,935,023.41
  5. Step 5: Solve for x
    x = 1,587,935,023.41/45,455.67
  6. Step 6: Final answer
    x = 34,933.71

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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.