Home / 54,788.02-81,785.69-48,145.02

Finding the Fourth Proportional to 54,788.02, 81,785.69 and 48,145.02

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Solution

The fourth proportional to 54,788.02, 81,785.69 and 48,145.02 is: 71,869.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,788.02 : 81,785.69 = 48,145.02 : x
  2. Step 2: Convert to fraction form
    54,788.02/81,785.69 = 48,145.02/x
  3. Step 3: Cross multiply
    54,788.02x = 81,785.69 × 48,145.02
  4. Step 4: Simplify right side
    54,788.02x = 3,937,573,440.04
  5. Step 5: Solve for x
    x = 3,937,573,440.04/54,788.02
  6. Step 6: Final answer
    x = 71,869.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.