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Finding the Fourth Proportional to 73,241.79, 101,084.43 and 46,386.78

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Solution

The fourth proportional to 73,241.79, 101,084.43 and 46,386.78 is: 64,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,241.79 : 101,084.43 = 46,386.78 : x
  2. Step 2: Convert to fraction form
    73,241.79/101,084.43 = 46,386.78/x
  3. Step 3: Cross multiply
    73,241.79x = 101,084.43 × 46,386.78
  4. Step 4: Simplify right side
    73,241.79x = 4,688,981,215.84
  5. Step 5: Solve for x
    x = 4,688,981,215.84/73,241.79
  6. Step 6: Final answer
    x = 64,020.57

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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.