Home / 81,888.21-113,007.93-46,079.48

Finding the Fourth Proportional to 81,888.21, 113,007.93 and 46,079.48

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Solution

The fourth proportional to 81,888.21, 113,007.93 and 46,079.48 is: 63,590.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,888.21 : 113,007.93 = 46,079.48 : x
  2. Step 2: Convert to fraction form
    81,888.21/113,007.93 = 46,079.48/x
  3. Step 3: Cross multiply
    81,888.21x = 113,007.93 × 46,079.48
  4. Step 4: Simplify right side
    81,888.21x = 5,207,346,650.28
  5. Step 5: Solve for x
    x = 5,207,346,650.28/81,888.21
  6. Step 6: Final answer
    x = 63,590.92

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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.