Home / 85,141.24-117,480.84-51,607.24

Finding the Fourth Proportional to 85,141.24, 117,480.84 and 51,607.24

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Solution

The fourth proportional to 85,141.24, 117,480.84 and 51,607.24 is: 71,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,141.24 : 117,480.84 = 51,607.24 : x
  2. Step 2: Convert to fraction form
    85,141.24/117,480.84 = 51,607.24/x
  3. Step 3: Cross multiply
    85,141.24x = 117,480.84 × 51,607.24
  4. Step 4: Simplify right side
    85,141.24x = 6,062,861,905.28
  5. Step 5: Solve for x
    x = 6,062,861,905.28/85,141.24
  6. Step 6: Final answer
    x = 71,209.46

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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.