Home / 81,584.24-112,590.88-45,777.38

Finding the Fourth Proportional to 81,584.24, 112,590.88 and 45,777.38

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Solution

The fourth proportional to 81,584.24, 112,590.88 and 45,777.38 is: 63,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,584.24 : 112,590.88 = 45,777.38 : x
  2. Step 2: Convert to fraction form
    81,584.24/112,590.88 = 45,777.38/x
  3. Step 3: Cross multiply
    81,584.24x = 112,590.88 × 45,777.38
  4. Step 4: Simplify right side
    81,584.24x = 5,154,114,820.90
  5. Step 5: Solve for x
    x = 5,154,114,820.90/81,584.24
  6. Step 6: Final answer
    x = 63,175.38

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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.