Home / 79,301.08-109,438.64-43,492.38

Finding the Fourth Proportional to 79,301.08, 109,438.64 and 43,492.38

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Solution

The fourth proportional to 79,301.08, 109,438.64 and 43,492.38 is: 60,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,301.08 : 109,438.64 = 43,492.38 : x
  2. Step 2: Convert to fraction form
    79,301.08/109,438.64 = 43,492.38/x
  3. Step 3: Cross multiply
    79,301.08x = 109,438.64 × 43,492.38
  4. Step 4: Simplify right side
    79,301.08x = 4,759,746,917.56
  5. Step 5: Solve for x
    x = 4,759,746,917.56/79,301.08
  6. Step 6: Final answer
    x = 60,021.21

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1.5x scale

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.