Home / 81,827.43-112,917.02-45,527.91

Finding the Fourth Proportional to 81,827.43, 112,917.02 and 45,527.91

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Solution

The fourth proportional to 81,827.43, 112,917.02 and 45,527.91 is: 62,825.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,827.43 : 112,917.02 = 45,527.91 : x
  2. Step 2: Convert to fraction form
    81,827.43/112,917.02 = 45,527.91/x
  3. Step 3: Cross multiply
    81,827.43x = 112,917.02 × 45,527.91
  4. Step 4: Simplify right side
    81,827.43x = 5,140,875,696.39
  5. Step 5: Solve for x
    x = 5,140,875,696.39/81,827.43
  6. Step 6: Final answer
    x = 62,825.82

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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.