Home / 68,472.81-102,569.73-55,867.48

Finding the Fourth Proportional to 68,472.81, 102,569.73 and 55,867.48

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Solution

The fourth proportional to 68,472.81, 102,569.73 and 55,867.48 is: 83,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,472.81 : 102,569.73 = 55,867.48 : x
  2. Step 2: Convert to fraction form
    68,472.81/102,569.73 = 55,867.48/x
  3. Step 3: Cross multiply
    68,472.81x = 102,569.73 × 55,867.48
  4. Step 4: Simplify right side
    68,472.81x = 5,730,312,830.34
  5. Step 5: Solve for x
    x = 5,730,312,830.34/68,472.81
  6. Step 6: Final answer
    x = 83,687.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.