Home / 81,997.18-113,160.24-46,191.13

Finding the Fourth Proportional to 81,997.18, 113,160.24 and 46,191.13

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Solution

The fourth proportional to 81,997.18, 113,160.24 and 46,191.13 is: 63,746.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,997.18 : 113,160.24 = 46,191.13 : x
  2. Step 2: Convert to fraction form
    81,997.18/113,160.24 = 46,191.13/x
  3. Step 3: Cross multiply
    81,997.18x = 113,160.24 × 46,191.13
  4. Step 4: Simplify right side
    81,997.18x = 5,226,999,073.77
  5. Step 5: Solve for x
    x = 5,226,999,073.77/81,997.18
  6. Step 6: Final answer
    x = 63,746.09

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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.