Home / 54,257.76-74,798.64-39,892.23

Finding the Fourth Proportional to 54,257.76, 74,798.64 and 39,892.23

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Solution

The fourth proportional to 54,257.76, 74,798.64 and 39,892.23 is: 54,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,257.76 : 74,798.64 = 39,892.23 : x
  2. Step 2: Convert to fraction form
    54,257.76/74,798.64 = 39,892.23/x
  3. Step 3: Cross multiply
    54,257.76x = 74,798.64 × 39,892.23
  4. Step 4: Simplify right side
    54,257.76x = 2,983,884,550.57
  5. Step 5: Solve for x
    x = 2,983,884,550.57/54,257.76
  6. Step 6: Final answer
    x = 54,994.61

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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.