Home / 84,018.18-115,947.24-46,292.46

Finding the Fourth Proportional to 84,018.18, 115,947.24 and 46,292.46

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Solution

The fourth proportional to 84,018.18, 115,947.24 and 46,292.46 is: 63,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,018.18 : 115,947.24 = 46,292.46 : x
  2. Step 2: Convert to fraction form
    84,018.18/115,947.24 = 46,292.46/x
  3. Step 3: Cross multiply
    84,018.18x = 115,947.24 × 46,292.46
  4. Step 4: Simplify right side
    84,018.18x = 5,367,482,969.81
  5. Step 5: Solve for x
    x = 5,367,482,969.81/84,018.18
  6. Step 6: Final answer
    x = 63,884.78

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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.