Home / 81,815.13-112,902.60-46,004.22

Finding the Fourth Proportional to 81,815.13, 112,902.60 and 46,004.22

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Solution

The fourth proportional to 81,815.13, 112,902.60 and 46,004.22 is: 63,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,815.13 : 112,902.60 = 46,004.22 : x
  2. Step 2: Convert to fraction form
    81,815.13/112,902.60 = 46,004.22/x
  3. Step 3: Cross multiply
    81,815.13x = 112,902.60 × 46,004.22
  4. Step 4: Simplify right side
    81,815.13x = 5,193,996,048.97
  5. Step 5: Solve for x
    x = 5,193,996,048.97/81,815.13
  6. Step 6: Final answer
    x = 63,484.54

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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.