Home / 54,577.40-81,866.10-47,060.60

Finding the Fourth Proportional to 54,577.40, 81,866.10 and 47,060.60

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Solution

The fourth proportional to 54,577.40, 81,866.10 and 47,060.60 is: 70,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,577.40 : 81,866.10 = 47,060.60 : x
  2. Step 2: Convert to fraction form
    54,577.40/81,866.10 = 47,060.60/x
  3. Step 3: Cross multiply
    54,577.40x = 81,866.10 × 47,060.60
  4. Step 4: Simplify right side
    54,577.40x = 3,852,667,785.66
  5. Step 5: Solve for x
    x = 3,852,667,785.66/54,577.40
  6. Step 6: Final answer
    x = 70,590.90

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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.