Home / 81,227.66-112,096.64-45,424.04

Finding the Fourth Proportional to 81,227.66, 112,096.64 and 45,424.04

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Solution

The fourth proportional to 81,227.66, 112,096.64 and 45,424.04 is: 62,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,227.66 : 112,096.64 = 45,424.04 : x
  2. Step 2: Convert to fraction form
    81,227.66/112,096.64 = 45,424.04/x
  3. Step 3: Cross multiply
    81,227.66x = 112,096.64 × 45,424.04
  4. Step 4: Simplify right side
    81,227.66x = 5,091,881,812.30
  5. Step 5: Solve for x
    x = 5,091,881,812.30/81,227.66
  6. Step 6: Final answer
    x = 62,686.55

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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.