Home / 54,457.40-81,700.68-49,252.34

Finding the Fourth Proportional to 54,457.40, 81,700.68 and 49,252.34

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Solution

The fourth proportional to 54,457.40, 81,700.68 and 49,252.34 is: 73,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457.40 : 81,700.68 = 49,252.34 : x
  2. Step 2: Convert to fraction form
    54,457.40/81,700.68 = 49,252.34/x
  3. Step 3: Cross multiply
    54,457.40x = 81,700.68 × 49,252.34
  4. Step 4: Simplify right side
    54,457.40x = 4,023,949,261.09
  5. Step 5: Solve for x
    x = 4,023,949,261.09/54,457.40
  6. Step 6: Final answer
    x = 73,891.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.