Home / 109,696.28-164,575.40-30,811.19

Finding the Fourth Proportional to 109,696.28, 164,575.40 and 30,811.19

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Solution

The fourth proportional to 109,696.28, 164,575.40 and 30,811.19 is: 46,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,696.28 : 164,575.40 = 30,811.19 : x
  2. Step 2: Convert to fraction form
    109,696.28/164,575.40 = 30,811.19/x
  3. Step 3: Cross multiply
    109,696.28x = 164,575.40 × 30,811.19
  4. Step 4: Simplify right side
    109,696.28x = 5,070,762,941.79
  5. Step 5: Solve for x
    x = 5,070,762,941.79/109,696.28
  6. Step 6: Final answer
    x = 46,225.48

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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.