Home / 85,077.20-117,409.21-46,317.64

Finding the Fourth Proportional to 85,077.20, 117,409.21 and 46,317.64

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Solution

The fourth proportional to 85,077.20, 117,409.21 and 46,317.64 is: 63,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,077.20 : 117,409.21 = 46,317.64 : x
  2. Step 2: Convert to fraction form
    85,077.20/117,409.21 = 46,317.64/x
  3. Step 3: Cross multiply
    85,077.20x = 117,409.21 × 46,317.64
  4. Step 4: Simplify right side
    85,077.20x = 5,438,117,645.08
  5. Step 5: Solve for x
    x = 5,438,117,645.08/85,077.20
  6. Step 6: Final answer
    x = 63,919.80

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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.