Home / 55,403.07-76,456.26-30,252.57

Finding the Fourth Proportional to 55,403.07, 76,456.26 and 30,252.57

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Solution

The fourth proportional to 55,403.07, 76,456.26 and 30,252.57 is: 41,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,403.07 : 76,456.26 = 30,252.57 : x
  2. Step 2: Convert to fraction form
    55,403.07/76,456.26 = 30,252.57/x
  3. Step 3: Cross multiply
    55,403.07x = 76,456.26 × 30,252.57
  4. Step 4: Simplify right side
    55,403.07x = 2,312,998,357.59
  5. Step 5: Solve for x
    x = 2,312,998,357.59/55,403.07
  6. Step 6: Final answer
    x = 41,748.56

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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.