Home / 112,965.60-169,467.84-46,441.92

Finding the Fourth Proportional to 112,965.60, 169,467.84 and 46,441.92

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Solution

The fourth proportional to 112,965.60, 169,467.84 and 46,441.92 is: 69,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,965.60 : 169,467.84 = 46,441.92 : x
  2. Step 2: Convert to fraction form
    112,965.60/169,467.84 = 46,441.92/x
  3. Step 3: Cross multiply
    112,965.60x = 169,467.84 × 46,441.92
  4. Step 4: Simplify right side
    112,965.60x = 7,870,411,867.85
  5. Step 5: Solve for x
    x = 7,870,411,867.85/112,965.60
  6. Step 6: Final answer
    x = 69,670.87

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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.