Home / 85,845.87-118,465.08-47,604.80

Finding the Fourth Proportional to 85,845.87, 118,465.08 and 47,604.80

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Solution

The fourth proportional to 85,845.87, 118,465.08 and 47,604.80 is: 65,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,845.87 : 118,465.08 = 47,604.80 : x
  2. Step 2: Convert to fraction form
    85,845.87/118,465.08 = 47,604.80/x
  3. Step 3: Cross multiply
    85,845.87x = 118,465.08 × 47,604.80
  4. Step 4: Simplify right side
    85,845.87x = 5,639,505,848.06
  5. Step 5: Solve for x
    x = 5,639,505,848.06/85,845.87
  6. Step 6: Final answer
    x = 65,693.39

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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.