Home / 84,748.56-116,953.08-47,022.78

Finding the Fourth Proportional to 84,748.56, 116,953.08 and 47,022.78

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Solution

The fourth proportional to 84,748.56, 116,953.08 and 47,022.78 is: 64,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,748.56 : 116,953.08 = 47,022.78 : x
  2. Step 2: Convert to fraction form
    84,748.56/116,953.08 = 47,022.78/x
  3. Step 3: Cross multiply
    84,748.56x = 116,953.08 × 47,022.78
  4. Step 4: Simplify right side
    84,748.56x = 5,499,458,951.16
  5. Step 5: Solve for x
    x = 5,499,458,951.16/84,748.56
  6. Step 6: Final answer
    x = 64,891.47

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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.