Home / 112,523.12-168,821.60-46,019.16

Finding the Fourth Proportional to 112,523.12, 168,821.60 and 46,019.16

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Solution

The fourth proportional to 112,523.12, 168,821.60 and 46,019.16 is: 69,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,523.12 : 168,821.60 = 46,019.16 : x
  2. Step 2: Convert to fraction form
    112,523.12/168,821.60 = 46,019.16/x
  3. Step 3: Cross multiply
    112,523.12x = 168,821.60 × 46,019.16
  4. Step 4: Simplify right side
    112,523.12x = 7,769,028,221.86
  5. Step 5: Solve for x
    x = 7,769,028,221.86/112,523.12
  6. Step 6: Final answer
    x = 69,043.84

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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.