Home / 81,824.76-112,932.02-47,364.50

Finding the Fourth Proportional to 81,824.76, 112,932.02 and 47,364.50

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Solution

The fourth proportional to 81,824.76, 112,932.02 and 47,364.50 is: 65,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,824.76 : 112,932.02 = 47,364.50 : x
  2. Step 2: Convert to fraction form
    81,824.76/112,932.02 = 47,364.50/x
  3. Step 3: Cross multiply
    81,824.76x = 112,932.02 × 47,364.50
  4. Step 4: Simplify right side
    81,824.76x = 5,348,968,661.29
  5. Step 5: Solve for x
    x = 5,348,968,661.29/81,824.76
  6. Step 6: Final answer
    x = 65,371.03

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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.