Home / 112,310.47-154,987.26-61,323.04

Finding the Fourth Proportional to 112,310.47, 154,987.26 and 61,323.04

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Solution

The fourth proportional to 112,310.47, 154,987.26 and 61,323.04 is: 84,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,310.47 : 154,987.26 = 61,323.04 : x
  2. Step 2: Convert to fraction form
    112,310.47/154,987.26 = 61,323.04/x
  3. Step 3: Cross multiply
    112,310.47x = 154,987.26 × 61,323.04
  4. Step 4: Simplify right side
    112,310.47x = 9,504,289,944.47
  5. Step 5: Solve for x
    x = 9,504,289,944.47/112,310.47
  6. Step 6: Final answer
    x = 84,625.15

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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.