Home / 54,216.45-74,809.78-34,059.06

Finding the Fourth Proportional to 54,216.45, 74,809.78 and 34,059.06

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Solution

The fourth proportional to 54,216.45, 74,809.78 and 34,059.06 is: 46,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,216.45 : 74,809.78 = 34,059.06 : x
  2. Step 2: Convert to fraction form
    54,216.45/74,809.78 = 34,059.06/x
  3. Step 3: Cross multiply
    54,216.45x = 74,809.78 × 34,059.06
  4. Step 4: Simplify right side
    54,216.45x = 2,547,950,513.43
  5. Step 5: Solve for x
    x = 2,547,950,513.43/54,216.45
  6. Step 6: Final answer
    x = 46,995.89

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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.