Home / 85,628.33-118,164.42-47,385.57

Finding the Fourth Proportional to 85,628.33, 118,164.42 and 47,385.57

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Solution

The fourth proportional to 85,628.33, 118,164.42 and 47,385.57 is: 65,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,628.33 : 118,164.42 = 47,385.57 : x
  2. Step 2: Convert to fraction form
    85,628.33/118,164.42 = 47,385.57/x
  3. Step 3: Cross multiply
    85,628.33x = 118,164.42 × 47,385.57
  4. Step 4: Simplify right side
    85,628.33x = 5,599,288,395.42
  5. Step 5: Solve for x
    x = 5,599,288,395.42/85,628.33
  6. Step 6: Final answer
    x = 65,390.61

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1.5x scale

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.