Home / 82,268.40-123,532.20-47,276.40

Finding the Fourth Proportional to 82,268.40, 123,532.20 and 47,276.40

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Solution

The fourth proportional to 82,268.40, 123,532.20 and 47,276.40 is: 70,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,268.40 : 123,532.20 = 47,276.40 : x
  2. Step 2: Convert to fraction form
    82,268.40/123,532.20 = 47,276.40/x
  3. Step 3: Cross multiply
    82,268.40x = 123,532.20 × 47,276.40
  4. Step 4: Simplify right side
    82,268.40x = 5,840,157,700.08
  5. Step 5: Solve for x
    x = 5,840,157,700.08/82,268.40
  6. Step 6: Final answer
    x = 70,989.08

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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.