Home / 82,785.65-124,182.43-23,629.91

Finding the Fourth Proportional to 82,785.65, 124,182.43 and 23,629.91

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Solution

The fourth proportional to 82,785.65, 124,182.43 and 23,629.91 is: 35,445.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,785.65 : 124,182.43 = 23,629.91 : x
  2. Step 2: Convert to fraction form
    82,785.65/124,182.43 = 23,629.91/x
  3. Step 3: Cross multiply
    82,785.65x = 124,182.43 × 23,629.91
  4. Step 4: Simplify right side
    82,785.65x = 2,934,418,964.49
  5. Step 5: Solve for x
    x = 2,934,418,964.49/82,785.65
  6. Step 6: Final answer
    x = 35,445.99

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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.