Home / 81,824.64-112,904.82-46,012.51

Finding the Fourth Proportional to 81,824.64, 112,904.82 and 46,012.51

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Solution

The fourth proportional to 81,824.64, 112,904.82 and 46,012.51 is: 63,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,824.64 : 112,904.82 = 46,012.51 : x
  2. Step 2: Convert to fraction form
    81,824.64/112,904.82 = 46,012.51/x
  3. Step 3: Cross multiply
    81,824.64x = 112,904.82 × 46,012.51
  4. Step 4: Simplify right side
    81,824.64x = 5,195,034,159.30
  5. Step 5: Solve for x
    x = 5,195,034,159.30/81,824.64
  6. Step 6: Final answer
    x = 63,489.85

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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.