Home / 81,811.76-112,897.68-46,003.28

Finding the Fourth Proportional to 81,811.76, 112,897.68 and 46,003.28

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Solution

The fourth proportional to 81,811.76, 112,897.68 and 46,003.28 is: 63,483.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,811.76 : 112,897.68 = 46,003.28 : x
  2. Step 2: Convert to fraction form
    81,811.76/112,897.68 = 46,003.28/x
  3. Step 3: Cross multiply
    81,811.76x = 112,897.68 × 46,003.28
  4. Step 4: Simplify right side
    81,811.76x = 5,193,663,584.39
  5. Step 5: Solve for x
    x = 5,193,663,584.39/81,811.76
  6. Step 6: Final answer
    x = 63,483.09

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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.