Home / 85,542.58-118,043.62-47,299.84

Finding the Fourth Proportional to 85,542.58, 118,043.62 and 47,299.84

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Solution

The fourth proportional to 85,542.58, 118,043.62 and 47,299.84 is: 65,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,542.58 : 118,043.62 = 47,299.84 : x
  2. Step 2: Convert to fraction form
    85,542.58/118,043.62 = 47,299.84/x
  3. Step 3: Cross multiply
    85,542.58x = 118,043.62 × 47,299.84
  4. Step 4: Simplify right side
    85,542.58x = 5,583,444,339.02
  5. Step 5: Solve for x
    x = 5,583,444,339.02/85,542.58
  6. Step 6: Final answer
    x = 65,270.94

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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.