Home / 109,811.20-164,587.20-46,631.20

Finding the Fourth Proportional to 109,811.20, 164,587.20 and 46,631.20

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Solution

The fourth proportional to 109,811.20, 164,587.20 and 46,631.20 is: 69,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,811.20 : 164,587.20 = 46,631.20 : x
  2. Step 2: Convert to fraction form
    109,811.20/164,587.20 = 46,631.20/x
  3. Step 3: Cross multiply
    109,811.20x = 164,587.20 × 46,631.20
  4. Step 4: Simplify right side
    109,811.20x = 7,674,898,640.64
  5. Step 5: Solve for x
    x = 7,674,898,640.64/109,811.20
  6. Step 6: Final answer
    x = 69,891.77

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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.