Home / 85,491.01-117,975.18-47,765.26

Finding the Fourth Proportional to 85,491.01, 117,975.18 and 47,765.26

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Solution

The fourth proportional to 85,491.01, 117,975.18 and 47,765.26 is: 65,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,491.01 : 117,975.18 = 47,765.26 : x
  2. Step 2: Convert to fraction form
    85,491.01/117,975.18 = 47,765.26/x
  3. Step 3: Cross multiply
    85,491.01x = 117,975.18 × 47,765.26
  4. Step 4: Simplify right side
    85,491.01x = 5,635,115,146.25
  5. Step 5: Solve for x
    x = 5,635,115,146.25/85,491.01
  6. Step 6: Final answer
    x = 65,914.71

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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.