Home / 109,808.28-164,708.73-46,587.78

Finding the Fourth Proportional to 109,808.28, 164,708.73 and 46,587.78

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Solution

The fourth proportional to 109,808.28, 164,708.73 and 46,587.78 is: 69,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,808.28 : 164,708.73 = 46,587.78 : x
  2. Step 2: Convert to fraction form
    109,808.28/164,708.73 = 46,587.78/x
  3. Step 3: Cross multiply
    109,808.28x = 164,708.73 × 46,587.78
  4. Step 4: Simplify right side
    109,808.28x = 7,673,414,077.32
  5. Step 5: Solve for x
    x = 7,673,414,077.32/109,808.28
  6. Step 6: Final answer
    x = 69,880.10

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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.