Home / 81,968.14-113,103.50-46,157.23

Finding the Fourth Proportional to 81,968.14, 113,103.50 and 46,157.23

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Solution

The fourth proportional to 81,968.14, 113,103.50 and 46,157.23 is: 63,689.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,968.14 : 113,103.50 = 46,157.23 : x
  2. Step 2: Convert to fraction form
    81,968.14/113,103.50 = 46,157.23/x
  3. Step 3: Cross multiply
    81,968.14x = 113,103.50 × 46,157.23
  4. Step 4: Simplify right side
    81,968.14x = 5,220,544,263.31
  5. Step 5: Solve for x
    x = 5,220,544,263.31/81,968.14
  6. Step 6: Final answer
    x = 63,689.92

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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.