Home / 81,934.48-113,070.36-46,117.54

Finding the Fourth Proportional to 81,934.48, 113,070.36 and 46,117.54

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Solution

The fourth proportional to 81,934.48, 113,070.36 and 46,117.54 is: 63,642.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,934.48 : 113,070.36 = 46,117.54 : x
  2. Step 2: Convert to fraction form
    81,934.48/113,070.36 = 46,117.54/x
  3. Step 3: Cross multiply
    81,934.48x = 113,070.36 × 46,117.54
  4. Step 4: Simplify right side
    81,934.48x = 5,214,526,850.11
  5. Step 5: Solve for x
    x = 5,214,526,850.11/81,934.48
  6. Step 6: Final answer
    x = 63,642.64

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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.