Home / 83,563.30-115,327.56-47,745.10

Finding the Fourth Proportional to 83,563.30, 115,327.56 and 47,745.10

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Solution

The fourth proportional to 83,563.30, 115,327.56 and 47,745.10 is: 65,894.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,563.30 : 115,327.56 = 47,745.10 : x
  2. Step 2: Convert to fraction form
    83,563.30/115,327.56 = 47,745.10/x
  3. Step 3: Cross multiply
    83,563.30x = 115,327.56 × 47,745.10
  4. Step 4: Simplify right side
    83,563.30x = 5,506,325,884.96
  5. Step 5: Solve for x
    x = 5,506,325,884.96/83,563.30
  6. Step 6: Final answer
    x = 65,894.07

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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.