Home / 85,187.01-117,558.25-51,196.03

Finding the Fourth Proportional to 85,187.01, 117,558.25 and 51,196.03

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Solution

The fourth proportional to 85,187.01, 117,558.25 and 51,196.03 is: 70,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,187.01 : 117,558.25 = 51,196.03 : x
  2. Step 2: Convert to fraction form
    85,187.01/117,558.25 = 51,196.03/x
  3. Step 3: Cross multiply
    85,187.01x = 117,558.25 × 51,196.03
  4. Step 4: Simplify right side
    85,187.01x = 6,018,515,271.86
  5. Step 5: Solve for x
    x = 6,018,515,271.86/85,187.01
  6. Step 6: Final answer
    x = 70,650.62

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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.