Home / 83,461.68-115,173.36-45,735.12

Finding the Fourth Proportional to 83,461.68, 115,173.36 and 45,735.12

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Solution

The fourth proportional to 83,461.68, 115,173.36 and 45,735.12 is: 63,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,461.68 : 115,173.36 = 45,735.12 : x
  2. Step 2: Convert to fraction form
    83,461.68/115,173.36 = 45,735.12/x
  3. Step 3: Cross multiply
    83,461.68x = 115,173.36 × 45,735.12
  4. Step 4: Simplify right side
    83,461.68x = 5,267,467,440.40
  5. Step 5: Solve for x
    x = 5,267,467,440.40/83,461.68
  6. Step 6: Final answer
    x = 63,112.41

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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.