Home / 85,591.08-118,109.88-47,349.36

Finding the Fourth Proportional to 85,591.08, 118,109.88 and 47,349.36

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Solution

The fourth proportional to 85,591.08, 118,109.88 and 47,349.36 is: 65,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,591.08 : 118,109.88 = 47,349.36 : x
  2. Step 2: Convert to fraction form
    85,591.08/118,109.88 = 47,349.36/x
  3. Step 3: Cross multiply
    85,591.08x = 118,109.88 × 47,349.36
  4. Step 4: Simplify right side
    85,591.08x = 5,592,427,227.68
  5. Step 5: Solve for x
    x = 5,592,427,227.68/85,591.08
  6. Step 6: Final answer
    x = 65,338.90

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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.