Home / 54,387.04-75,037.28-31,709.98

Finding the Fourth Proportional to 54,387.04, 75,037.28 and 31,709.98

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Solution

The fourth proportional to 54,387.04, 75,037.28 and 31,709.98 is: 43,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,387.04 : 75,037.28 = 31,709.98 : x
  2. Step 2: Convert to fraction form
    54,387.04/75,037.28 = 31,709.98/x
  3. Step 3: Cross multiply
    54,387.04x = 75,037.28 × 31,709.98
  4. Step 4: Simplify right side
    54,387.04x = 2,379,430,648.05
  5. Step 5: Solve for x
    x = 2,379,430,648.05/54,387.04
  6. Step 6: Final answer
    x = 43,749.96

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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.