Home / 81,860.16-112,977-46,051.68

Finding the Fourth Proportional to 81,860.16, 112,977 and 46,051.68

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Solution

The fourth proportional to 81,860.16, 112,977 and 46,051.68 is: 63,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,860.16 : 112,977 = 46,051.68 : x
  2. Step 2: Convert to fraction form
    81,860.16/112,977 = 46,051.68/x
  3. Step 3: Cross multiply
    81,860.16x = 112,977 × 46,051.68
  4. Step 4: Simplify right side
    81,860.16x = 5,202,780,651.36
  5. Step 5: Solve for x
    x = 5,202,780,651.36/81,860.16
  6. Step 6: Final answer
    x = 63,556.93

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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.