Home / 55,435.40-76,518.90-41,334.92

Finding the Fourth Proportional to 55,435.40, 76,518.90 and 41,334.92

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Solution

The fourth proportional to 55,435.40, 76,518.90 and 41,334.92 is: 57,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,435.40 : 76,518.90 = 41,334.92 : x
  2. Step 2: Convert to fraction form
    55,435.40/76,518.90 = 41,334.92/x
  3. Step 3: Cross multiply
    55,435.40x = 76,518.90 × 41,334.92
  4. Step 4: Simplify right side
    55,435.40x = 3,162,902,609.99
  5. Step 5: Solve for x
    x = 3,162,902,609.99/55,435.40
  6. Step 6: Final answer
    x = 57,055.65

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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.