Home / 54,127.81-74,695.09-30,256.71

Finding the Fourth Proportional to 54,127.81, 74,695.09 and 30,256.71

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Solution

The fourth proportional to 54,127.81, 74,695.09 and 30,256.71 is: 41,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,127.81 : 74,695.09 = 30,256.71 : x
  2. Step 2: Convert to fraction form
    54,127.81/74,695.09 = 30,256.71/x
  3. Step 3: Cross multiply
    54,127.81x = 74,695.09 × 30,256.71
  4. Step 4: Simplify right side
    54,127.81x = 2,260,027,676.55
  5. Step 5: Solve for x
    x = 2,260,027,676.55/54,127.81
  6. Step 6: Final answer
    x = 41,753.54

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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.