Home / 112,468.95-168,620.28-53,235.27

Finding the Fourth Proportional to 112,468.95, 168,620.28 and 53,235.27

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Solution

The fourth proportional to 112,468.95, 168,620.28 and 53,235.27 is: 79,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,468.95 : 168,620.28 = 53,235.27 : x
  2. Step 2: Convert to fraction form
    112,468.95/168,620.28 = 53,235.27/x
  3. Step 3: Cross multiply
    112,468.95x = 168,620.28 × 53,235.27
  4. Step 4: Simplify right side
    112,468.95x = 8,976,546,133.28
  5. Step 5: Solve for x
    x = 8,976,546,133.28/112,468.95
  6. Step 6: Final answer
    x = 79,813.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.