Home / 85,949.89-118,604.90-47,706.43

Finding the Fourth Proportional to 85,949.89, 118,604.90 and 47,706.43

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Solution

The fourth proportional to 85,949.89, 118,604.90 and 47,706.43 is: 65,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,949.89 : 118,604.90 = 47,706.43 : x
  2. Step 2: Convert to fraction form
    85,949.89/118,604.90 = 47,706.43/x
  3. Step 3: Cross multiply
    85,949.89x = 118,604.90 × 47,706.43
  4. Step 4: Simplify right side
    85,949.89x = 5,658,216,494.09
  5. Step 5: Solve for x
    x = 5,658,216,494.09/85,949.89
  6. Step 6: Final answer
    x = 65,831.58

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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.