Home / 81,860.18-112,965.84-46,050.21

Finding the Fourth Proportional to 81,860.18, 112,965.84 and 46,050.21

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Solution

The fourth proportional to 81,860.18, 112,965.84 and 46,050.21 is: 63,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,860.18 : 112,965.84 = 46,050.21 : x
  2. Step 2: Convert to fraction form
    81,860.18/112,965.84 = 46,050.21/x
  3. Step 3: Cross multiply
    81,860.18x = 112,965.84 × 46,050.21
  4. Step 4: Simplify right side
    81,860.18x = 5,202,100,654.83
  5. Step 5: Solve for x
    x = 5,202,100,654.83/81,860.18
  6. Step 6: Final answer
    x = 63,548.61

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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.