Home / 81,422.96-112,364.66-46,959.68

Finding the Fourth Proportional to 81,422.96, 112,364.66 and 46,959.68

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Solution

The fourth proportional to 81,422.96, 112,364.66 and 46,959.68 is: 64,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,422.96 : 112,364.66 = 46,959.68 : x
  2. Step 2: Convert to fraction form
    81,422.96/112,364.66 = 46,959.68/x
  3. Step 3: Cross multiply
    81,422.96x = 112,364.66 × 46,959.68
  4. Step 4: Simplify right side
    81,422.96x = 5,276,608,875.22
  5. Step 5: Solve for x
    x = 5,276,608,875.22/81,422.96
  6. Step 6: Final answer
    x = 64,804.93

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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.