Home / 83,209.89-114,816.38-47,400.60

Finding the Fourth Proportional to 83,209.89, 114,816.38 and 47,400.60

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Solution

The fourth proportional to 83,209.89, 114,816.38 and 47,400.60 is: 65,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,209.89 : 114,816.38 = 47,400.60 : x
  2. Step 2: Convert to fraction form
    83,209.89/114,816.38 = 47,400.60/x
  3. Step 3: Cross multiply
    83,209.89x = 114,816.38 × 47,400.60
  4. Step 4: Simplify right side
    83,209.89x = 5,442,365,064.83
  5. Step 5: Solve for x
    x = 5,442,365,064.83/83,209.89
  6. Step 6: Final answer
    x = 65,405.27

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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.