Home / 81,269.33-112,160.13-46,815.25

Finding the Fourth Proportional to 81,269.33, 112,160.13 and 46,815.25

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Solution

The fourth proportional to 81,269.33, 112,160.13 and 46,815.25 is: 64,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,269.33 : 112,160.13 = 46,815.25 : x
  2. Step 2: Convert to fraction form
    81,269.33/112,160.13 = 46,815.25/x
  3. Step 3: Cross multiply
    81,269.33x = 112,160.13 × 46,815.25
  4. Step 4: Simplify right side
    81,269.33x = 5,250,804,490.63
  5. Step 5: Solve for x
    x = 5,250,804,490.63/81,269.33
  6. Step 6: Final answer
    x = 64,609.91

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1.5x scale

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.