Home / 55,578.40-76,707.88-32,930.14

Finding the Fourth Proportional to 55,578.40, 76,707.88 and 32,930.14

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Solution

The fourth proportional to 55,578.40, 76,707.88 and 32,930.14 is: 45,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,578.40 : 76,707.88 = 32,930.14 : x
  2. Step 2: Convert to fraction form
    55,578.40/76,707.88 = 32,930.14/x
  3. Step 3: Cross multiply
    55,578.40x = 76,707.88 × 32,930.14
  4. Step 4: Simplify right side
    55,578.40x = 2,526,001,227.50
  5. Step 5: Solve for x
    x = 2,526,001,227.50/55,578.40
  6. Step 6: Final answer
    x = 45,449.33

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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.