Home / 81,273.73-112,158.16-45,463.73

Finding the Fourth Proportional to 81,273.73, 112,158.16 and 45,463.73

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Solution

The fourth proportional to 81,273.73, 112,158.16 and 45,463.73 is: 62,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,273.73 : 112,158.16 = 45,463.73 : x
  2. Step 2: Convert to fraction form
    81,273.73/112,158.16 = 45,463.73/x
  3. Step 3: Cross multiply
    81,273.73x = 112,158.16 × 45,463.73
  4. Step 4: Simplify right side
    81,273.73x = 5,099,127,629.09
  5. Step 5: Solve for x
    x = 5,099,127,629.09/81,273.73
  6. Step 6: Final answer
    x = 62,740.17

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1.5x scale

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.