Home / 85,914.35-118,562.47-47,674.04

Finding the Fourth Proportional to 85,914.35, 118,562.47 and 47,674.04

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Solution

The fourth proportional to 85,914.35, 118,562.47 and 47,674.04 is: 65,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,914.35 : 118,562.47 = 47,674.04 : x
  2. Step 2: Convert to fraction form
    85,914.35/118,562.47 = 47,674.04/x
  3. Step 3: Cross multiply
    85,914.35x = 118,562.47 × 47,674.04
  4. Step 4: Simplify right side
    85,914.35x = 5,652,352,114.50
  5. Step 5: Solve for x
    x = 5,652,352,114.50/85,914.35
  6. Step 6: Final answer
    x = 65,790.55

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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.