Home / 81,917.10-113,044.08-46,111.05

Finding the Fourth Proportional to 81,917.10, 113,044.08 and 46,111.05

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Solution

The fourth proportional to 81,917.10, 113,044.08 and 46,111.05 is: 63,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,917.10 : 113,044.08 = 46,111.05 : x
  2. Step 2: Convert to fraction form
    81,917.10/113,044.08 = 46,111.05/x
  3. Step 3: Cross multiply
    81,917.10x = 113,044.08 × 46,111.05
  4. Step 4: Simplify right side
    81,917.10x = 5,212,581,225.08
  5. Step 5: Solve for x
    x = 5,212,581,225.08/81,917.10
  6. Step 6: Final answer
    x = 63,632.39

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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.