Home / 85,140.36-117,493.92-46,899

Finding the Fourth Proportional to 85,140.36, 117,493.92 and 46,899

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Solution

The fourth proportional to 85,140.36, 117,493.92 and 46,899 is: 64,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,140.36 : 117,493.92 = 46,899 : x
  2. Step 2: Convert to fraction form
    85,140.36/117,493.92 = 46,899/x
  3. Step 3: Cross multiply
    85,140.36x = 117,493.92 × 46,899
  4. Step 4: Simplify right side
    85,140.36x = 5,510,347,354.08
  5. Step 5: Solve for x
    x = 5,510,347,354.08/85,140.36
  6. Step 6: Final answer
    x = 64,720.74

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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.