Home / 112,365.18-168,500.88-45,759.96

Finding the Fourth Proportional to 112,365.18, 168,500.88 and 45,759.96

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Solution

The fourth proportional to 112,365.18, 168,500.88 and 45,759.96 is: 68,620.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,365.18 : 168,500.88 = 45,759.96 : x
  2. Step 2: Convert to fraction form
    112,365.18/168,500.88 = 45,759.96/x
  3. Step 3: Cross multiply
    112,365.18x = 168,500.88 × 45,759.96
  4. Step 4: Simplify right side
    112,365.18x = 7,710,593,528.76
  5. Step 5: Solve for x
    x = 7,710,593,528.76/112,365.18
  6. Step 6: Final answer
    x = 68,620.84

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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.