Home / 85,907.30-118,558.58-47,674.10

Finding the Fourth Proportional to 85,907.30, 118,558.58 and 47,674.10

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Solution

The fourth proportional to 85,907.30, 118,558.58 and 47,674.10 is: 65,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,907.30 : 118,558.58 = 47,674.10 : x
  2. Step 2: Convert to fraction form
    85,907.30/118,558.58 = 47,674.10/x
  3. Step 3: Cross multiply
    85,907.30x = 118,558.58 × 47,674.10
  4. Step 4: Simplify right side
    85,907.30x = 5,652,172,767.61
  5. Step 5: Solve for x
    x = 5,652,172,767.61/85,907.30
  6. Step 6: Final answer
    x = 65,793.86

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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.