Home / 79,369.26-109,534.50-52,465.11

Finding the Fourth Proportional to 79,369.26, 109,534.50 and 52,465.11

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Solution

The fourth proportional to 79,369.26, 109,534.50 and 52,465.11 is: 72,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,369.26 : 109,534.50 = 52,465.11 : x
  2. Step 2: Convert to fraction form
    79,369.26/109,534.50 = 52,465.11/x
  3. Step 3: Cross multiply
    79,369.26x = 109,534.50 × 52,465.11
  4. Step 4: Simplify right side
    79,369.26x = 5,746,739,591.30
  5. Step 5: Solve for x
    x = 5,746,739,591.30/79,369.26
  6. Step 6: Final answer
    x = 72,405.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.