Home / 112,922.37-155,832.39-61,933.74

Finding the Fourth Proportional to 112,922.37, 155,832.39 and 61,933.74

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Solution

The fourth proportional to 112,922.37, 155,832.39 and 61,933.74 is: 85,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,922.37 : 155,832.39 = 61,933.74 : x
  2. Step 2: Convert to fraction form
    112,922.37/155,832.39 = 61,933.74/x
  3. Step 3: Cross multiply
    112,922.37x = 155,832.39 × 61,933.74
  4. Step 4: Simplify right side
    112,922.37x = 9,651,282,725.84
  5. Step 5: Solve for x
    x = 9,651,282,725.84/112,922.37
  6. Step 6: Final answer
    x = 85,468.30

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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.