Home / 85,914.43-118,562.55-47,674.13

Finding the Fourth Proportional to 85,914.43, 118,562.55 and 47,674.13

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Solution

The fourth proportional to 85,914.43, 118,562.55 and 47,674.13 is: 65,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,914.43 : 118,562.55 = 47,674.13 : x
  2. Step 2: Convert to fraction form
    85,914.43/118,562.55 = 47,674.13/x
  3. Step 3: Cross multiply
    85,914.43x = 118,562.55 × 47,674.13
  4. Step 4: Simplify right side
    85,914.43x = 5,652,366,421.83
  5. Step 5: Solve for x
    x = 5,652,366,421.83/85,914.43
  6. Step 6: Final answer
    x = 65,790.65

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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.