Home / 81,867.18-112,968.68-46,056.42

Finding the Fourth Proportional to 81,867.18, 112,968.68 and 46,056.42

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Solution

The fourth proportional to 81,867.18, 112,968.68 and 46,056.42 is: 63,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,867.18 : 112,968.68 = 46,056.42 : x
  2. Step 2: Convert to fraction form
    81,867.18/112,968.68 = 46,056.42/x
  3. Step 3: Cross multiply
    81,867.18x = 112,968.68 × 46,056.42
  4. Step 4: Simplify right side
    81,867.18x = 5,202,932,972.93
  5. Step 5: Solve for x
    x = 5,202,932,972.93/81,867.18
  6. Step 6: Final answer
    x = 63,553.34

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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.