Home / 82,445.04-113,720.36-52,198.83

Finding the Fourth Proportional to 82,445.04, 113,720.36 and 52,198.83

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Solution

The fourth proportional to 82,445.04, 113,720.36 and 52,198.83 is: 72,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,445.04 : 113,720.36 = 52,198.83 : x
  2. Step 2: Convert to fraction form
    82,445.04/113,720.36 = 52,198.83/x
  3. Step 3: Cross multiply
    82,445.04x = 113,720.36 × 52,198.83
  4. Step 4: Simplify right side
    82,445.04x = 5,936,069,478.18
  5. Step 5: Solve for x
    x = 5,936,069,478.18/82,445.04
  6. Step 6: Final answer
    x = 72,000.32

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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.