Home / 55,423.29-76,483.66-30,272.25

Finding the Fourth Proportional to 55,423.29, 76,483.66 and 30,272.25

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Solution

The fourth proportional to 55,423.29, 76,483.66 and 30,272.25 is: 41,775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423.29 : 76,483.66 = 30,272.25 : x
  2. Step 2: Convert to fraction form
    55,423.29/76,483.66 = 30,272.25/x
  3. Step 3: Cross multiply
    55,423.29x = 76,483.66 × 30,272.25
  4. Step 4: Simplify right side
    55,423.29x = 2,315,332,476.44
  5. Step 5: Solve for x
    x = 2,315,332,476.44/55,423.29
  6. Step 6: Final answer
    x = 41,775.44

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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.