Home / 84,501.63-116,604.15-50,503.35

Finding the Fourth Proportional to 84,501.63, 116,604.15 and 50,503.35

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Solution

The fourth proportional to 84,501.63, 116,604.15 and 50,503.35 is: 69,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,501.63 : 116,604.15 = 50,503.35 : x
  2. Step 2: Convert to fraction form
    84,501.63/116,604.15 = 50,503.35/x
  3. Step 3: Cross multiply
    84,501.63x = 116,604.15 × 50,503.35
  4. Step 4: Simplify right side
    84,501.63x = 5,888,899,761.64
  5. Step 5: Solve for x
    x = 5,888,899,761.64/84,501.63
  6. Step 6: Final answer
    x = 69,689.78

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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.