Home / 83,595.60-115,361.94-47,786.40

Finding the Fourth Proportional to 83,595.60, 115,361.94 and 47,786.40

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Solution

The fourth proportional to 83,595.60, 115,361.94 and 47,786.40 is: 65,945.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,595.60 : 115,361.94 = 47,786.40 : x
  2. Step 2: Convert to fraction form
    83,595.60/115,361.94 = 47,786.40/x
  3. Step 3: Cross multiply
    83,595.60x = 115,361.94 × 47,786.40
  4. Step 4: Simplify right side
    83,595.60x = 5,512,731,809.62
  5. Step 5: Solve for x
    x = 5,512,731,809.62/83,595.60
  6. Step 6: Final answer
    x = 65,945.24

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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.