Home / 84,159.92-116,141.40-46,436.72

Finding the Fourth Proportional to 84,159.92, 116,141.40 and 46,436.72

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Solution

The fourth proportional to 84,159.92, 116,141.40 and 46,436.72 is: 64,083.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,159.92 : 116,141.40 = 46,436.72 : x
  2. Step 2: Convert to fraction form
    84,159.92/116,141.40 = 46,436.72/x
  3. Step 3: Cross multiply
    84,159.92x = 116,141.40 × 46,436.72
  4. Step 4: Simplify right side
    84,159.92x = 5,393,225,672.21
  5. Step 5: Solve for x
    x = 5,393,225,672.21/84,159.92
  6. Step 6: Final answer
    x = 64,083.07

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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.