Home / 82,805.28-114,271.20-45,079.44

Finding the Fourth Proportional to 82,805.28, 114,271.20 and 45,079.44

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Solution

The fourth proportional to 82,805.28, 114,271.20 and 45,079.44 is: 62,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,805.28 : 114,271.20 = 45,079.44 : x
  2. Step 2: Convert to fraction form
    82,805.28/114,271.20 = 45,079.44/x
  3. Step 3: Cross multiply
    82,805.28x = 114,271.20 × 45,079.44
  4. Step 4: Simplify right side
    82,805.28x = 5,151,281,704.13
  5. Step 5: Solve for x
    x = 5,151,281,704.13/82,805.28
  6. Step 6: Final answer
    x = 62,209.58

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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.