Home / 81,865.52-112,965.86-46,052.48

Finding the Fourth Proportional to 81,865.52, 112,965.86 and 46,052.48

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Solution

The fourth proportional to 81,865.52, 112,965.86 and 46,052.48 is: 63,547.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,865.52 : 112,965.86 = 46,052.48 : x
  2. Step 2: Convert to fraction form
    81,865.52/112,965.86 = 46,052.48/x
  3. Step 3: Cross multiply
    81,865.52x = 112,965.86 × 46,052.48
  4. Step 4: Simplify right side
    81,865.52x = 5,202,358,008.33
  5. Step 5: Solve for x
    x = 5,202,358,008.33/81,865.52
  6. Step 6: Final answer
    x = 63,547.61

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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.