Home / 82,585.20-123,867.64-48,871.28

Finding the Fourth Proportional to 82,585.20, 123,867.64 and 48,871.28

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Solution

The fourth proportional to 82,585.20, 123,867.64 and 48,871.28 is: 73,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,585.20 : 123,867.64 = 48,871.28 : x
  2. Step 2: Convert to fraction form
    82,585.20/123,867.64 = 48,871.28/x
  3. Step 3: Cross multiply
    82,585.20x = 123,867.64 × 48,871.28
  4. Step 4: Simplify right side
    82,585.20x = 6,053,570,117.38
  5. Step 5: Solve for x
    x = 6,053,570,117.38/82,585.20
  6. Step 6: Final answer
    x = 73,300.91

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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.