Home / 75,018.26-112,492.76-27,621.45

Finding the Fourth Proportional to 75,018.26, 112,492.76 and 27,621.45

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Solution

The fourth proportional to 75,018.26, 112,492.76 and 27,621.45 is: 41,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,018.26 : 112,492.76 = 27,621.45 : x
  2. Step 2: Convert to fraction form
    75,018.26/112,492.76 = 27,621.45/x
  3. Step 3: Cross multiply
    75,018.26x = 112,492.76 × 27,621.45
  4. Step 4: Simplify right side
    75,018.26x = 3,107,213,007.59
  5. Step 5: Solve for x
    x = 3,107,213,007.59/75,018.26
  6. Step 6: Final answer
    x = 41,419.43

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1.5x scale

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.