Home / 81,283.02-112,179.03-46,828.95

Finding the Fourth Proportional to 81,283.02, 112,179.03 and 46,828.95

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Solution

The fourth proportional to 81,283.02, 112,179.03 and 46,828.95 is: 64,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,283.02 : 112,179.03 = 46,828.95 : x
  2. Step 2: Convert to fraction form
    81,283.02/112,179.03 = 46,828.95/x
  3. Step 3: Cross multiply
    81,283.02x = 112,179.03 × 46,828.95
  4. Step 4: Simplify right side
    81,283.02x = 5,253,226,186.92
  5. Step 5: Solve for x
    x = 5,253,226,186.92/81,283.02
  6. Step 6: Final answer
    x = 64,628.83

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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.