Home / 84,487.71-116,585.12-50,489.43

Finding the Fourth Proportional to 84,487.71, 116,585.12 and 50,489.43

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Solution

The fourth proportional to 84,487.71, 116,585.12 and 50,489.43 is: 69,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,487.71 : 116,585.12 = 50,489.43 : x
  2. Step 2: Convert to fraction form
    84,487.71/116,585.12 = 50,489.43/x
  3. Step 3: Cross multiply
    84,487.71x = 116,585.12 × 50,489.43
  4. Step 4: Simplify right side
    84,487.71x = 5,886,316,255.28
  5. Step 5: Solve for x
    x = 5,886,316,255.28/84,487.71
  6. Step 6: Final answer
    x = 69,670.68

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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.