Home / 54,313.02-74,873.43-38,131.11

Finding the Fourth Proportional to 54,313.02, 74,873.43 and 38,131.11

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Solution

The fourth proportional to 54,313.02, 74,873.43 and 38,131.11 is: 52,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,313.02 : 74,873.43 = 38,131.11 : x
  2. Step 2: Convert to fraction form
    54,313.02/74,873.43 = 38,131.11/x
  3. Step 3: Cross multiply
    54,313.02x = 74,873.43 × 38,131.11
  4. Step 4: Simplify right side
    54,313.02x = 2,855,006,995.41
  5. Step 5: Solve for x
    x = 2,855,006,995.41/54,313.02
  6. Step 6: Final answer
    x = 52,565.79

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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.