Home / 81,318.39-112,204.62-46,857.75

Finding the Fourth Proportional to 81,318.39, 112,204.62 and 46,857.75

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Solution

The fourth proportional to 81,318.39, 112,204.62 and 46,857.75 is: 64,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,318.39 : 112,204.62 = 46,857.75 : x
  2. Step 2: Convert to fraction form
    81,318.39/112,204.62 = 46,857.75/x
  3. Step 3: Cross multiply
    81,318.39x = 112,204.62 × 46,857.75
  4. Step 4: Simplify right side
    81,318.39x = 5,257,656,032.81
  5. Step 5: Solve for x
    x = 5,257,656,032.81/81,318.39
  6. Step 6: Final answer
    x = 64,655.19

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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.